16204772 has 12 divisors (see below), whose sum is σ = 28823676. Its totient is φ = 7969440.

The previous prime is 16204753. The next prime is 16204781. The reversal of 16204772 is 27740261.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 13942756 = 1504^2 + 3734^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32963 + ... + 33450.

It is an arithmetic number, because the mean of its divisors is an integer number (2401973).

Almost surely, 2^16204772 is an apocalyptic number.

It is an amenable number.

16204772 is a deficient number, since it is larger than the sum of its proper divisors (12618904).

16204772 is a wasteful number, since it uses less digits than its factorization.

16204772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66478 (or 66476 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 16204772 is about 4025.5151223166. The cubic root of 16204772 is about 253.0546419704.

The spelling of 16204772 in words is "sixteen million, two hundred four thousand, seven hundred seventy-two".