155027832816 has 80 divisors (see below), whose sum is σ = 409621353984. Its totient is φ = 50500810752.

The previous prime is 155027832809. The next prime is 155027832847. The reversal of 155027832816 is 618238720551.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467235 + ... + 1569341.

Almost surely, 2^155027832816 is an apocalyptic number.

155027832816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155027832816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204810676992).

155027832816 is an abundant number, since it is smaller than the sum of its proper divisors (254593521168).

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

155027832816 is a wasteful number, since it uses less digits than its factorization.

155027832816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102838 (or 102832 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 155027832816 in words is "one hundred fifty-five billion, twenty-seven million, eight hundred thirty-two thousand, eight hundred sixteen".