916609216 has 14 divisors (see below), whose sum is σ = 1818896540. Its totient is φ = 458304576.

The previous prime is 916609207. The next prime is 916609223. The reversal of 916609216 is 612906619.

It is a super-2 number, since 2×916609216² = 1680344909712269312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160946 + ... + 7161073.

Almost surely, 2^916609216 is an apocalyptic number.

It is an amenable number.

916609216 is a deficient number, since it is larger than the sum of its proper divisors (902287324).

916609216 is a wasteful number, since it uses less digits than its factorization.

916609216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322031 (or 14322021 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 916609216 is about 30275.5547595746. The cubic root of 916609216 is about 971.3924861863.

The spelling of 916609216 in words is "nine hundred sixteen million, six hundred nine thousand, two hundred sixteen".