16966642 has 24 divisors (see below), whose sum is σ = 32298480. Its totient is φ = 6609960.

The previous prime is 16966633. The next prime is 16966667. The reversal of 16966642 is 24666961.

It is a junction number, because it is equal to n+sod(n) for n = 16966595 and 16966604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6792 + ... + 8947.

It is an arithmetic number, because the mean of its divisors is an integer number (1345770).

Almost surely, 2^16966642 is an apocalyptic number.

16966642 is a deficient number, since it is larger than the sum of its proper divisors (15331838).

16966642 is a wasteful number, since it uses less digits than its factorization.

16966642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766 (or 15759 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 16966642 is about 4119.0583875444. The cubic root of 16966642 is about 256.9598669586.

It can be divided in two parts, 1696 and 6642, that added together give a palindrome (8338).

The spelling of 16966642 in words is "sixteen million, nine hundred sixty-six thousand, six hundred forty-two".