16511107068 has 60 divisors (see below), whose sum is σ = 43175553960. Its totient is φ = 5502139488.

The previous prime is 16511107049. The next prime is 16511107079. The reversal of 16511107068 is 86070111561.

16511107068 is a `hidden beast` number, since 1 + 6 + 511 + 10 + 70 + 68 = 666.

It is a super-2 number, since 2×16511107068² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1956963 + ... + 1965381.

It is an arithmetic number, because the mean of its divisors is an integer number (719592566).

Almost surely, 2^16511107068 is an apocalyptic number.

16511107068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16511107068 is an abundant number, since it is smaller than the sum of its proper divisors (26664446892).

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

16511107068 is a wasteful number, since it uses less digits than its factorization.

16511107068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14488 (or 14477 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 16511107068 in words is "sixteen billion, five hundred eleven million, one hundred seven thousand, sixty-eight".