16806472 has 32 divisors (see below), whose sum is σ = 33592320. Its totient is φ = 7855360.

The previous prime is 16806467. The next prime is 16806479. The reversal of 16806472 is 27460861.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (16806479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25653 + ... + 26299.

It is an arithmetic number, because the mean of its divisors is an integer number (1049760).

Almost surely, 2^16806472 is an apocalyptic number.

It is an amenable number.

16806472 is a deficient number, since it is larger than the sum of its proper divisors (16785848).

16806472 is a wasteful number, since it uses less digits than its factorization.

16806472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 16806472 is about 4099.5697335208. The cubic root of 16806472 is about 256.1487173003.

The spelling of 16806472 in words is "sixteen million, eight hundred six thousand, four hundred seventy-two".