64236806960 has 160 divisors (see below), whose sum is σ = 155600040960. Its totient is φ = 24648422400.

The previous prime is 64236806861. The next prime is 64236807007. The reversal of 64236806960 is 6960863246.

It is a junction number, because it is equal to n+sod(n) for n = 64236806899 and 64236806908.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34516430 + ... + 34518290.

It is an arithmetic number, because the mean of its divisors is an integer number (972500256).

Almost surely, 2^64236806960 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 64236806960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77800020480).

64236806960 is an abundant number, since it is smaller than the sum of its proper divisors (91363234000).

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

64236806960 is a wasteful number, since it uses less digits than its factorization.

64236806960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 64236806960 in words is "sixty-four billion, two hundred thirty-six million, eight hundred six thousand, nine hundred sixty".