64610243360 has 48 divisors (see below), whose sum is σ = 164383374456. Its totient is φ = 23856089088.

The previous prime is 64610243353. The next prime is 64610243381. The reversal of 64610243360 is 6334201646.

It can be written as a sum of positive squares in 4 ways, for example, as 20894124304 + 43716119056 = 144548^2 + 209084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64610243360.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15529229 + ... + 15533388.

Almost surely, 2^64610243360 is an apocalyptic number.

It is an amenable number.

64610243360 is an abundant number, since it is smaller than the sum of its proper divisors (99773131096).

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

64610243360 is a wasteful number, since it uses less digits than its factorization.

64610243360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31062645 (or 31062637 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 64610243360 in words is "sixty-four billion, six hundred ten million, two hundred forty-three thousand, three hundred sixty".