16628938790976 has 56 divisors (see below), whose sum is σ = 48886000617440. Its totient is φ = 5542979596416.

The previous prime is 16628938790957. The next prime is 16628938791041. The reversal of 16628938790976 is 67909783982661.

16628938790976 is a `hidden beast` number, since 1 + 6 + 6 + 2 + 89 + 387 + 90 + 9 + 76 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16628938790895 and 16628938790904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4811612506 + ... + 4811615961.

It is an arithmetic number, because the mean of its divisors is an integer number (872964296740).

Almost surely, 2^{16628938790976} is an apocalyptic number.

16628938790976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16628938790976 is an abundant number, since it is smaller than the sum of its proper divisors (32257061826464).

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

16628938790976 is an equidigital number, since it uses as much as digits as its factorization.

16628938790976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623228488 (or 9623228472 counting only the distinct ones).

The product of its (nonzero) digits is 2962842624, while the sum is 81.

The spelling of 16628938790976 in words is "sixteen trillion, six hundred twenty-eight billion, nine hundred thirty-eight million, seven hundred ninety thousand, nine hundred seventy-six".