16166756928 has 168 divisors, whose sum is σ = 50517039936. Its totient is φ = 4469713920.

The previous prime is 16166756923. The next prime is 16166756941. The reversal of 16166756928 is 82965766161.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×16166756928² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16166756923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285326 + ... + 1297842.

Almost surely, 2^16166756928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16166756928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25258519968).

16166756928 is an abundant number, since it is smaller than the sum of its proper divisors (34350283008).

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

16166756928 is a wasteful number, since it uses less digits than its factorization.

16166756928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601 (or 12560 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 57.

The spelling of 16166756928 in words is "sixteen billion, one hundred sixty-six million, seven hundred fifty-six thousand, nine hundred twenty-eight".