16117731355 has 16 divisors (see below), whose sum is σ = 21293157600. Its totient is φ = 11614440960.

The previous prime is 16117731349. The next prime is 16117731361. The reversal of 16117731355 is 55313771161.

It is an interprime number because it is at equal distance from previous prime (16117731349) and next prime (16117731361).

It is not a de Polignac number, because 16117731355 - 2³ = 16117731347 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338270 + ... + 1350259.

It is an arithmetic number, because the mean of its divisors is an integer number (1330822350).

Almost surely, 2^16117731355 is an apocalyptic number.

16117731355 is a deficient number, since it is larger than the sum of its proper divisors (5175426245).

16117731355 is a wasteful number, since it uses less digits than its factorization.

16117731355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688654.

The product of its digits is 66150, while the sum is 40.

The spelling of 16117731355 in words is "sixteen billion, one hundred seventeen million, seven hundred thirty-one thousand, three hundred fifty-five".