16166572 has 12 divisors (see below), whose sum is σ = 29267280. Its totient is φ = 7804496.

The previous prime is 16166569. The next prime is 16166597. The reversal of 16166572 is 27566161.

It is a happy number.

It is a super-2 number, since 2×16166572² = 522716100462368, which contains 22 as substring.

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, 69568 + ... + 69799.

It is an arithmetic number, because the mean of its divisors is an integer number (2438940).

Almost surely, 2^16166572 is an apocalyptic number.

It is an amenable number.

16166572 is a deficient number, since it is larger than the sum of its proper divisors (13100708).

16166572 is a wasteful number, since it uses less digits than its factorization.

16166572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139400 (or 139398 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 16166572 is about 4020.7675884090. The cubic root of 16166572 is about 252.8556410600.

The spelling of 16166572 in words is "sixteen million, one hundred sixty-six thousand, five hundred seventy-two".