16297672 has 8 divisors (see below), whose sum is σ = 30558150. Its totient is φ = 8148832.

The previous prime is 16297667. The next prime is 16297691. The reversal of 16297672 is 27679261.

It can be written as a sum of positive squares in only one way, i.e., 15729156 + 568516 = 3966^2 + 754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16297672² = 531228225239168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018597 + ... + 1018612.

Almost surely, 2^16297672 is an apocalyptic number.

It is an amenable number.

16297672 is a deficient number, since it is larger than the sum of its proper divisors (14260478).

16297672 is a wasteful number, since it uses less digits than its factorization.

16297672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037215 (or 2037211 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 16297672 is about 4037.0375276928. The cubic root of 16297672 is about 253.5372980352.

The spelling of 16297672 in words is "sixteen million, two hundred ninety-seven thousand, six hundred seventy-two".