16133040668 has 12 divisors (see below), whose sum is σ = 28233884952. Its totient is φ = 8066216400.

The previous prime is 16133040659. The next prime is 16133040691. The reversal of 16133040668 is 86604033161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78218 + ... + 195918.

It is an arithmetic number, because the mean of its divisors is an integer number (2352823746).

Almost surely, 2^16133040668 is an apocalyptic number.

It is an amenable number.

16133040668 is a deficient number, since it is larger than the sum of its proper divisors (12100844284).

16133040668 is a wasteful number, since it uses less digits than its factorization.

16133040668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151972 (or 151970 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 16133040668 in words is "sixteen billion, one hundred thirty-three million, forty thousand, six hundred sixty-eight".