16639480611 has 24 divisors (see below), whose sum is σ = 25894224720. Its totient is φ = 10235491776.

The previous prime is 16639480601. The next prime is 16639480687. The reversal of 16639480611 is 11608493661.

16639480611 is a `hidden beast` number, since 1 + 6 + 639 + 4 + 8 + 0 + 6 + 1 + 1 = 666.

It is not a de Polignac number, because 16639480611 - 2¹⁰ = 16639479587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16639480601) 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, 271360 + ... + 326978.

It is an arithmetic number, because the mean of its divisors is an integer number (1078926030).

Almost surely, 2^16639480611 is an apocalyptic number.

16639480611 is a deficient number, since it is larger than the sum of its proper divisors (9254744109).

16639480611 is a wasteful number, since it uses less digits than its factorization.

16639480611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58195 (or 58192 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 16639480611 in words is "sixteen billion, six hundred thirty-nine million, four hundred eighty thousand, six hundred eleven".