16039490166 has 48 divisors (see below), whose sum is σ = 40527396000. Its totient is φ = 4582709712.

The previous prime is 16039490161. The next prime is 16039490171. The reversal of 16039490166 is 66109493061.

16039490166 is a `hidden beast` number, since 16 + 0 + 394 + 90 + 166 = 666.

It is an interprime number because it is at equal distance from previous prime (16039490161) and next prime (16039490171).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16039490161) 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, 1292781 + ... + 1305128.

It is an arithmetic number, because the mean of its divisors is an integer number (844320750).

Almost surely, 2^16039490166 is an apocalyptic number.

16039490166 is an abundant number, since it is smaller than the sum of its proper divisors (24487905834).

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

16039490166 is a wasteful number, since it uses less digits than its factorization.

16039490166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597938 (or 2597921 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 16039490166 in words is "sixteen billion, thirty-nine million, four hundred ninety thousand, one hundred sixty-six".