65885233620 has 48 divisors (see below), whose sum is σ = 184489845120. Its totient is φ = 17568329856.

The previous prime is 65885233613. The next prime is 65885233637. The reversal of 65885233620 is 2633258856.

65885233620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65885233620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1779214 + ... + 1815866.

It is an arithmetic number, because the mean of its divisors is an integer number (3843538440).

Almost surely, 2^65885233620 is an apocalyptic number.

65885233620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65885233620 is an abundant number, since it is smaller than the sum of its proper divisors (118604611500).

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

65885233620 is a wasteful number, since it uses less digits than its factorization.

65885233620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66624 (or 66622 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 65885233620 in words is "sixty-five billion, eight hundred eighty-five million, two hundred thirty-three thousand, six hundred twenty".