16362694656 has 864 divisors, whose sum is σ = 63212516640. Its totient is φ = 4180377600.

The previous prime is 16362694631. The next prime is 16362694687. The reversal of 16362694656 is 65649626361.

16362694656 is a `hidden beast` number, since 1 + 6 + 3 + 626 + 9 + 4 + 6 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 268240866 + ... + 268240926.

It is an arithmetic number, because the mean of its divisors is an integer number (73162635).

Almost surely, 2^16362694656 is an apocalyptic number.

16362694656 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 16362694656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31606258320).

16362694656 is an abundant number, since it is smaller than the sum of its proper divisors (46849821984).

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

16362694656 is an equidigital number, since it uses as much as digits as its factorization.

16362694656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 84 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 54.

The spelling of 16362694656 in words is "sixteen billion, three hundred sixty-two million, six hundred ninety-four thousand, six hundred fifty-six".