27555328462158 has 96 divisors (see below), whose sum is σ = 68710884243456. Its totient is φ = 7817900929344.

The previous prime is 27555328462157. The next prime is 27555328462169. The reversal of 27555328462158 is 85126482355572.

27555328462158 is a `hidden beast` number, since 2 + 7 + 5 + 5 + 532 + 8 + 46 + 2 + 1 + 58 = 666.

It is a super-2 number, since 2×27555328462158² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27555328462095 and 27555328462104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27555328462157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9919785 + ... + 12390027.

It is an arithmetic number, because the mean of its divisors is an integer number (715738377536).

Almost surely, 2^{27555328462158} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27555328462158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34355442121728).

27555328462158 is an abundant number, since it is smaller than the sum of its proper divisors (41155555781298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27555328462158 is a wasteful number, since it uses less digits than its factorization.

27555328462158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470878 (or 2470875 counting only the distinct ones).

The product of its digits is 161280000, while the sum is 63.

The spelling of 27555328462158 in words is "twenty-seven trillion, five hundred fifty-five billion, three hundred twenty-eight million, four hundred sixty-two thousand, one hundred fifty-eight".