16472923638656 has 32 divisors (see below), whose sum is σ = 32817339060480. Its totient is φ = 8236415011840.

The previous prime is 16472923638641. The next prime is 16472923638659. The reversal of 16472923638656 is 65683632927461.

16472923638656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16472923638659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37511105 + ... + 37947711.

It is an arithmetic number, because the mean of its divisors is an integer number (1025541845640).

Almost surely, 2^{16472923638656} is an apocalyptic number.

16472923638656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16472923638656 is a deficient number, since it is larger than the sum of its proper divisors (16344415421824).

16472923638656 is an equidigital number, since it uses as much as digits as its factorization.

16472923638656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731382 (or 731370 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 68.

The spelling of 16472923638656 in words is "sixteen trillion, four hundred seventy-two billion, nine hundred twenty-three million, six hundred thirty-eight thousand, six hundred fifty-six".