16968534 has 16 divisors (see below), whose sum is σ = 37022400. Its totient is φ = 5141960.

The previous prime is 16968521. The next prime is 16968557. The reversal of 16968534 is 43586961.

It is a super-2 number, since 2×16968534² = 575862292218312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128484 + ... + 128615.

It is an arithmetic number, because the mean of its divisors is an integer number (2313900).

Almost surely, 2^16968534 is an apocalyptic number.

16968534 is an abundant number, since it is smaller than the sum of its proper divisors (20053866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16968534 is a wasteful number, since it uses less digits than its factorization.

16968534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257115.

The product of its digits is 155520, while the sum is 42.

The square root of 16968534 is about 4119.2880452816. The cubic root of 16968534 is about 256.9694180530.

The spelling of 16968534 in words is "sixteen million, nine hundred sixty-eight thousand, five hundred thirty-four".