16957309317 has 16 divisors (see below), whose sum is σ = 24489712128. Its totient is φ = 10374943680.

The previous prime is 16957309301. The next prime is 16957309321. The reversal of 16957309317 is 71390375961.

It is not a de Polignac number, because 16957309317 - 2⁴ = 16957309301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16957309317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16957309387) 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, 1249909 + ... + 1263402.

It is an arithmetic number, because the mean of its divisors is an integer number (1530607008).

Almost surely, 2^16957309317 is an apocalyptic number.

It is an amenable number.

16957309317 is a deficient number, since it is larger than the sum of its proper divisors (7532402811).

16957309317 is a wasteful number, since it uses less digits than its factorization.

16957309317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513500.

The product of its (nonzero) digits is 1071630, while the sum is 51.

The spelling of 16957309317 in words is "sixteen billion, nine hundred fifty-seven million, three hundred nine thousand, three hundred seventeen".