916815896 has 32 divisors (see below), whose sum is σ = 1772353440. Its totient is φ = 444284928.

The previous prime is 916815881. The next prime is 916815931. The reversal of 916815896 is 698518619.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 71960 + ... + 83736.

It is an arithmetic number, because the mean of its divisors is an integer number (55386045).

Almost surely, 2^916815896 is an apocalyptic number.

It is an amenable number.

916815896 is a deficient number, since it is larger than the sum of its proper divisors (855537544).

916815896 is a wasteful number, since it uses less digits than its factorization.

916815896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12083 (or 12079 counting only the distinct ones).

The product of its digits is 933120, while the sum is 53.

The square root of 916815896 is about 30278.9678820134. The cubic root of 916815896 is about 971.4654916022.

The spelling of 916815896 in words is "nine hundred sixteen million, eight hundred fifteen thousand, eight hundred ninety-six".