65810162352 has 80 divisors (see below), whose sum is σ = 185895959040. Its totient is φ = 19896134400.

The previous prime is 65810162339. The next prime is 65810162389. The reversal of 65810162352 is 25326101856.

65810162352 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 65810162352.

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, 82974 + ... + 372162.

It is an arithmetic number, because the mean of its divisors is an integer number (2323699488).

Almost surely, 2^65810162352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65810162352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92947979520).

65810162352 is an abundant number, since it is smaller than the sum of its proper divisors (120085796688).

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

65810162352 is a wasteful number, since it uses less digits than its factorization.

65810162352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289642 (or 289636 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 65810162352 in words is "sixty-five billion, eight hundred ten million, one hundred sixty-two thousand, three hundred fifty-two".