65866968 has 24 divisors (see below), whose sum is σ = 178389900. Its totient is φ = 21955632.

The previous prime is 65866949. The next prime is 65866973. The reversal of 65866968 is 86966856.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457338 + ... + 457481.

Almost surely, 2^65866968 is an apocalyptic number.

It is an amenable number.

65866968 is an abundant number, since it is smaller than the sum of its proper divisors (112522932).

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

65866968 is a wasteful number, since it uses less digits than its factorization.

65866968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914831 (or 914824 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 65866968 is about 8115.8467210760. The cubic root of 65866968 is about 403.8522970829.

The spelling of 65866968 in words is "sixty-five million, eight hundred sixty-six thousand, nine hundred sixty-eight".