64754475560 has 16 divisors (see below), whose sum is σ = 145697570100. Its totient is φ = 25901790208.

The previous prime is 64754475559. The next prime is 64754475593. The reversal of 64754475560 is 6557445746.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64468256836 + 286218724 = 253906^2 + 16918^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809430905 + ... + 809430984.

Almost surely, 2^64754475560 is an apocalyptic number.

It is an amenable number.

64754475560 is an abundant number, since it is smaller than the sum of its proper divisors (80943094540).

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

64754475560 is a wasteful number, since it uses less digits than its factorization.

64754475560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618861900 (or 1618861896 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 53.

The spelling of 64754475560 in words is "sixty-four billion, seven hundred fifty-four million, four hundred seventy-five thousand, five hundred sixty".