16500738157 has 16 divisors (see below), whose sum is σ = 17620039360. Its totient is φ = 15406837632.

The previous prime is 16500738143. The next prime is 16500738161. The reversal of 16500738157 is 75183700561.

It is a cyclic number.

It is not a de Polignac number, because 16500738157 - 2⁷ = 16500738029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500738167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2344678 + ... + 2351704.

It is an arithmetic number, because the mean of its divisors is an integer number (1101252460).

Almost surely, 2^16500738157 is an apocalyptic number.

It is an amenable number.

16500738157 is a deficient number, since it is larger than the sum of its proper divisors (1119301203).

16500738157 is a wasteful number, since it uses less digits than its factorization.

16500738157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 16500738157 in words is "sixteen billion, five hundred million, seven hundred thirty-eight thousand, one hundred fifty-seven".