64126657160 has 64 divisors (see below), whose sum is σ = 149317862400. Its totient is φ = 24756610816.

The previous prime is 64126657159. The next prime is 64126657163. The reversal of 64126657160 is 6175662146.

It is a super-2 number, since 2×64126657160² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64126657163) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3497537 + ... + 3515823.

It is an arithmetic number, because the mean of its divisors is an integer number (2333091600).

Almost surely, 2^64126657160 is an apocalyptic number.

It is an amenable number.

64126657160 is an abundant number, since it is smaller than the sum of its proper divisors (85191205240).

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

64126657160 is a wasteful number, since it uses less digits than its factorization.

64126657160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21350 (or 21346 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 64126657160 in words is "sixty-four billion, one hundred twenty-six million, six hundred fifty-seven thousand, one hundred sixty".