16612772 has 12 divisors (see below), whose sum is σ = 31715376. Its totient is φ = 7551240.

The previous prime is 16612759. The next prime is 16612781. The reversal of 16612772 is 27721661.

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, 188738 + ... + 188825.

It is an arithmetic number, because the mean of its divisors is an integer number (2642948).

Almost surely, 2^16612772 is an apocalyptic number.

It is an amenable number.

16612772 is a deficient number, since it is larger than the sum of its proper divisors (15102604).

16612772 is a wasteful number, since it uses less digits than its factorization.

16612772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377578 (or 377576 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 16612772 is about 4075.8768381785. The cubic root of 16612772 is about 255.1608468742.

Subtracting 16612772 from its reverse (27721661), we obtain a square (11108889 = 3333²).

The spelling of 16612772 in words is "sixteen million, six hundred twelve thousand, seven hundred seventy-two".