16972851 has 16 divisors (see below), whose sum is σ = 27385344. Its totient is φ = 9128064.

The previous prime is 16972847. The next prime is 16972861. The reversal of 16972851 is 15827961.

It is not a de Polignac number, because 16972851 - 2² = 16972847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16972861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23415 + ... + 24128.

It is an arithmetic number, because the mean of its divisors is an integer number (1711584).

Almost surely, 2^16972851 is an apocalyptic number.

16972851 is a deficient number, since it is larger than the sum of its proper divisors (10412493).

16972851 is a wasteful number, since it uses less digits than its factorization.

16972851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47570.

The product of its digits is 30240, while the sum is 39.

The square root of 16972851 is about 4119.8120102743. The cubic root of 16972851 is about 256.9912082464.

The spelling of 16972851 in words is "sixteen million, nine hundred seventy-two thousand, eight hundred fifty-one".