16272501966 has 160 divisors (see below), whose sum is σ = 44223993792. Its totient is φ = 4365757440.

The previous prime is 16272501919. The next prime is 16272501977. The reversal of 16272501966 is 66910527261.

16272501966 is a `hidden beast` number, since 1 + 627 + 2 + 5 + 0 + 19 + 6 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12742120 + ... + 12743396.

Almost surely, 2^16272501966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16272501966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22111996896).

16272501966 is an abundant number, since it is smaller than the sum of its proper divisors (27951491826).

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

16272501966 is a wasteful number, since it uses less digits than its factorization.

16272501966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 16272501966 in words is "sixteen billion, two hundred seventy-two million, five hundred one thousand, nine hundred sixty-six".