16656028032 has 64 divisors (see below), whose sum is σ = 50562950400. Its totient is φ = 4758864384.

The previous prime is 16656028031. The next prime is 16656028043. The reversal of 16656028032 is 23082065661.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656028031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3095532 + ... + 3100907.

It is an arithmetic number, because the mean of its divisors is an integer number (790046100).

Almost surely, 2^16656028032 is an apocalyptic number.

16656028032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16656028032 is an abundant number, since it is smaller than the sum of its proper divisors (33906922368).

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

16656028032 is an equidigital number, since it uses as much as digits as its factorization.

16656028032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196463 (or 6196451 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 16656028032 in words is "sixteen billion, six hundred fifty-six million, twenty-eight thousand, thirty-two".