916885672 has 8 divisors (see below), whose sum is σ = 1719160650. Its totient is φ = 458442832.

The previous prime is 916885657. The next prime is 916885699. The reversal of 916885672 is 276588619.

It can be written as a sum of positive squares in only one way, i.e., 495240516 + 421645156 = 22254^2 + 20534^2 .

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

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, 57305347 + ... + 57305362.

Almost surely, 2^916885672 is an apocalyptic number.

It is an amenable number.

916885672 is a deficient number, since it is larger than the sum of its proper divisors (802274978).

916885672 is a wasteful number, since it uses less digits than its factorization.

916885672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114610715 (or 114610711 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 916885672 is about 30280.1200790221. The cubic root of 916885672 is about 971.4901360472.

The spelling of 916885672 in words is "nine hundred sixteen million, eight hundred eighty-five thousand, six hundred seventy-two".