65995960 has 32 divisors (see below), whose sum is σ = 148881600. Its totient is φ = 26328960.

The previous prime is 65995939. The next prime is 65995981. The reversal of 65995960 is 6959956.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65995939) and next prime (65995981).

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, 14881 + ... + 18799.

It is an arithmetic number, because the mean of its divisors is an integer number (4652550).

Almost surely, 2^65995960 is an apocalyptic number.

It is an amenable number.

65995960 is an abundant number, since it is smaller than the sum of its proper divisors (82885640).

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

65995960 is a wasteful number, since it uses less digits than its factorization.

65995960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 49.

The square root of 65995960 is about 8123.7897560190. The cubic root of 65995960 is about 404.1157561315.

The spelling of 65995960 in words is "sixty-five million, nine hundred ninety-five thousand, nine hundred sixty".