16753315257 has 18 divisors (see below), whose sum is σ = 28150129098. Its totient is φ = 9573322752.

The previous prime is 16753315247. The next prime is 16753315273. The reversal of 16753315257 is 75251335761.

16753315257 is a `hidden beast` number, since 1 + 67 + 5 + 331 + 5 + 257 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12594226176 + 4159089081 = 112224^2 + 64491^2 .

It is not a de Polignac number, because 16753315257 - 2⁷ = 16753315129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16753315217) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18994248 + ... + 18995129.

It is an arithmetic number, because the mean of its divisors is an integer number (1563896061).

Almost surely, 2^16753315257 is an apocalyptic number.

It is an amenable number.

16753315257 is a deficient number, since it is larger than the sum of its proper divisors (11396813841).

16753315257 is a wasteful number, since it uses less digits than its factorization.

16753315257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37989397 (or 37989387 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The spelling of 16753315257 in words is "sixteen billion, seven hundred fifty-three million, three hundred fifteen thousand, two hundred fifty-seven".