16968657 has 8 divisors (see below), whose sum is σ = 22648384. Its totient is φ = 11300688.

The previous prime is 16968649. The next prime is 16968659. The reversal of 16968657 is 75686961.

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

It is not a de Polignac number, because 16968657 - 2³ = 16968649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16968659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 5970.

It is an arithmetic number, because the mean of its divisors is an integer number (2831048).

Almost surely, 2^16968657 is an apocalyptic number.

It is an amenable number.

16968657 is a deficient number, since it is larger than the sum of its proper divisors (5679727).

16968657 is a wasteful number, since it uses less digits than its factorization.

16968657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879.

The product of its digits is 544320, while the sum is 48.

The square root of 16968657 is about 4119.3029750190. The cubic root of 16968657 is about 256.9700389505.

The spelling of 16968657 in words is "sixteen million, nine hundred sixty-eight thousand, six hundred fifty-seven".