16065016164 has 36 divisors (see below), whose sum is σ = 40612812240. Its totient is φ = 5354475120.

The previous prime is 16065016157. The next prime is 16065016171. The reversal of 16065016164 is 46161056061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16065016157) and next prime (16065016171).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547999 + ... + 576569.

Almost surely, 2^16065016164 is an apocalyptic number.

It is an amenable number.

16065016164 is an abundant number, since it is smaller than the sum of its proper divisors (24547796076).

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

16065016164 is a wasteful number, since it uses less digits than its factorization.

16065016164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44200 (or 44195 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 16065016164 in words is "sixteen billion, sixty-five million, sixteen thousand, one hundred sixty-four".