15327701770656 has 192 divisors, whose sum is σ = 46242313689600. Its totient is φ = 4396564454400.

The previous prime is 15327701770607. The next prime is 15327701770699. The reversal of 15327701770656 is 65607710772351.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 15327701770596 and 15327701770605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23372155 + ... + 24019013.

It is an arithmetic number, because the mean of its divisors is an integer number (240845383800).

Almost surely, 2^{15327701770656} is an apocalyptic number.

15327701770656 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 15327701770656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23121156844800).

15327701770656 is an abundant number, since it is smaller than the sum of its proper divisors (30914611918944).

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

15327701770656 is a wasteful number, since it uses less digits than its factorization.

15327701770656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648083 (or 648075 counting only the distinct ones).

The product of its (nonzero) digits is 12965400, while the sum is 57.

The spelling of 15327701770656 in words is "fifteen trillion, three hundred twenty-seven billion, seven hundred one million, seven hundred seventy thousand, six hundred fifty-six".