16957309318 has 8 divisors (see below), whose sum is σ = 26256479040. Its totient is φ = 8205149640.

The previous prime is 16957309301. The next prime is 16957309321. The reversal of 16957309318 is 81390375961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136752433 + ... + 136752556.

It is an arithmetic number, because the mean of its divisors is an integer number (3282059880).

Almost surely, 2^16957309318 is an apocalyptic number.

16957309318 is a deficient number, since it is larger than the sum of its proper divisors (9299169722).

16957309318 is a wasteful number, since it uses less digits than its factorization.

16957309318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273505022.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 16957309318 in words is "sixteen billion, nine hundred fifty-seven million, three hundred nine thousand, three hundred eighteen".