16916972 has 12 divisors (see below), whose sum is σ = 31346280. Its totient is φ = 7960896.

The previous prime is 16916971. The next prime is 16916993. The reversal of 16916972 is 27961961.

It is not an unprimeable number, because it can be changed into a prime (16916971) 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, 124322 + ... + 124457.

It is an arithmetic number, because the mean of its divisors is an integer number (2612190).

Almost surely, 2^16916972 is an apocalyptic number.

It is an amenable number.

16916972 is a deficient number, since it is larger than the sum of its proper divisors (14429308).

16916972 is a wasteful number, since it uses less digits than its factorization.

16916972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248800 (or 248798 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 16916972 is about 4113.0246777767. The cubic root of 16916972 is about 256.7088710794.

The spelling of 16916972 in words is "sixteen million, nine hundred sixteen thousand, nine hundred seventy-two".