65079816 has 32 divisors (see below), whose sum is σ = 162945600. Its totient is φ = 21660480.

The previous prime is 65079809. The next prime is 65079821. The reversal of 65079816 is 61897056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18261 + ... + 21531.

It is an arithmetic number, because the mean of its divisors is an integer number (5092050).

Almost surely, 2^65079816 is an apocalyptic number.

It is an amenable number.

65079816 is an abundant number, since it is smaller than the sum of its proper divisors (97865784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65079816 is a wasteful number, since it uses less digits than its factorization.

65079816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 65079816 is about 8067.2062078516. The cubic root of 65079816 is about 402.2370820029.

The spelling of 65079816 in words is "sixty-five million, seventy-nine thousand, eight hundred sixteen".