65015960 has 32 divisors (see below), whose sum is σ = 146566800. Its totient is φ = 25956480.

The previous prime is 65015921. The next prime is 65015981. The reversal of 65015960 is 6951056.

It is a congruent number.

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, 25211 + ... + 27669.

Almost surely, 2^65015960 is an apocalyptic number.

It is an amenable number.

65015960 is an abundant number, since it is smaller than the sum of its proper divisors (81550840).

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

65015960 is a wasteful number, since it uses less digits than its factorization.

65015960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 65015960 is about 8063.2474847297. The cubic root of 65015960 is about 402.1054812598.

The spelling of 65015960 in words is "sixty-five million, fifteen thousand, nine hundred sixty".