16117351564 has 6 divisors (see below), whose sum is σ = 28205365244. Its totient is φ = 8058675780.

The previous prime is 16117351561. The next prime is 16117351567. The reversal of 16117351564 is 46515371161.

It is an interprime number because it is at equal distance from previous prime (16117351561) and next prime (16117351567).

It is not an unprimeable number, because it can be changed into a prime (16117351561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014668942 + ... + 2014668949.

Almost surely, 2^16117351564 is an apocalyptic number.

It is an amenable number.

16117351564 is a deficient number, since it is larger than the sum of its proper divisors (12088013680).

16117351564 is a wasteful number, since it uses less digits than its factorization.

16117351564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029337895 (or 4029337893 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The spelling of 16117351564 in words is "sixteen billion, one hundred seventeen million, three hundred fifty-one thousand, five hundred sixty-four".