16940636 has 12 divisors (see below), whose sum is σ = 31390128. Its totient is φ = 7972032.

The previous prime is 16940617. The next prime is 16940639. The reversal of 16940636 is 63604961.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16940596 and 16940605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16940639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124496 + ... + 124631.

It is an arithmetic number, because the mean of its divisors is an integer number (2615844).

Almost surely, 2^16940636 is an apocalyptic number.

It is an amenable number.

16940636 is a deficient number, since it is larger than the sum of its proper divisors (14449492).

16940636 is a wasteful number, since it uses less digits than its factorization.

16940636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249148 (or 249146 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 16940636 is about 4115.9003875215. The cubic root of 16940636 is about 256.8285128293.

It can be divided in two parts, 16940 and 636, that added together give a cube (17576 = 26³).

The spelling of 16940636 in words is "sixteen million, nine hundred forty thousand, six hundred thirty-six".