916657216 has 28 divisors (see below), whose sum is σ = 1820387520. Its totient is φ = 457976960.

The previous prime is 916657199. The next prime is 916657283. The reversal of 916657216 is 612756619.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91965 + ... + 101443.

It is an arithmetic number, because the mean of its divisors is an integer number (65013840).

Almost surely, 2^916657216 is an apocalyptic number.

It is an amenable number.

916657216 is a deficient number, since it is larger than the sum of its proper divisors (903730304).

916657216 is a wasteful number, since it uses less digits than its factorization.

916657216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002 (or 10992 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 916657216 is about 30276.3474679493. The cubic root of 916657216 is about 971.4094421674.

The spelling of 916657216 in words is "nine hundred sixteen million, six hundred fifty-seven thousand, two hundred sixteen".