16958712128 has 14 divisors (see below), whose sum is σ = 33652444506. Its totient is φ = 8479356032.

The previous prime is 16958712119. The next prime is 16958712149. The reversal of 16958712128 is 82121785961.

It can be written as a sum of positive squares in only one way, i.e., 14311815424 + 2646896704 = 119632^2 + 51448^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132489875 + ... + 132490002.

Almost surely, 2^16958712128 is an apocalyptic number.

It is an amenable number.

16958712128 is a deficient number, since it is larger than the sum of its proper divisors (16693732378).

16958712128 is an equidigital number, since it uses as much as digits as its factorization.

16958712128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264979889 (or 264979879 counting only the distinct ones).

The product of its digits is 483840, while the sum is 50.

The spelling of 16958712128 in words is "sixteen billion, nine hundred fifty-eight million, seven hundred twelve thousand, one hundred twenty-eight".