16546118886 has 32 divisors (see below), whose sum is σ = 40111804800. Its totient is φ = 5013975240.

The previous prime is 16546118873. The next prime is 16546118929. The reversal of 16546118886 is 68881164561.

16546118886 is a `hidden beast` number, since 1 + 6 + 546 + 1 + 18 + 8 + 86 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13927116 + ... + 13928303.

It is an arithmetic number, because the mean of its divisors is an integer number (1253493900).

Almost surely, 2^16546118886 is an apocalyptic number.

16546118886 is an abundant number, since it is smaller than the sum of its proper divisors (23565685914).

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

16546118886 is a wasteful number, since it uses less digits than its factorization.

16546118886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27855441 (or 27855435 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The spelling of 16546118886 in words is "sixteen billion, five hundred forty-six million, one hundred eighteen thousand, eight hundred eighty-six".