16504772 has 12 divisors (see below), whose sum is σ = 29815296. Its totient is φ = 7986120.

The previous prime is 16504771. The next prime is 16504853. The reversal of 16504772 is 27740561.

It is not an unprimeable number, because it can be changed into a prime (16504771) 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, 66428 + ... + 66675.

It is an arithmetic number, because the mean of its divisors is an integer number (2484608).

Almost surely, 2^16504772 is an apocalyptic number.

It is an amenable number.

16504772 is a deficient number, since it is larger than the sum of its proper divisors (13310524).

16504772 is a wasteful number, since it uses less digits than its factorization.

16504772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133138 (or 133136 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 16504772 is about 4062.6065524488. The cubic root of 16504772 is about 254.6067088670.

The spelling of 16504772 in words is "sixteen million, five hundred four thousand, seven hundred seventy-two".