65913560 has 32 divisors (see below), whose sum is σ = 150400800. Its totient is φ = 25992960.

The previous prime is 65913557. The next prime is 65913587. The reversal of 65913560 is 6531956.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65913560.

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, 8765 + ... + 14444.

It is an arithmetic number, because the mean of its divisors is an integer number (4700025).

Almost surely, 2^65913560 is an apocalyptic number.

It is an amenable number.

65913560 is an abundant number, since it is smaller than the sum of its proper divisors (84487240).

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

65913560 is a wasteful number, since it uses less digits than its factorization.

65913560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23291 (or 23287 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 65913560 is about 8118.7166473526. The cubic root of 65913560 is about 403.9474983240.

The spelling of 65913560 in words is "sixty-five million, nine hundred thirteen thousand, five hundred sixty".