64650957360 has 320 divisors, whose sum is σ = 223305278976. Its totient is φ = 15340953600.

The previous prime is 64650957337. The next prime is 64650957383. The reversal of 64650957360 is 6375905646.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64650957337) and next prime (64650957383).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37521459 + ... + 37523181.

Almost surely, 2^64650957360 is an apocalyptic number.

64650957360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64650957360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111652639488).

64650957360 is an abundant number, since it is smaller than the sum of its proper divisors (158654321616).

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

64650957360 is a wasteful number, since it uses less digits than its factorization.

64650957360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 64650957360 in words is "sixty-four billion, six hundred fifty million, nine hundred fifty-seven thousand, three hundred sixty".