64171053016 has 32 divisors (see below), whose sum is σ = 137569178880. Its totient is φ = 27489924000.

The previous prime is 64171053007. The next prime is 64171053029. The reversal of 64171053016 is 61035017146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118510 + ... + 377341.

It is an arithmetic number, because the mean of its divisors is an integer number (4299036840).

Almost surely, 2^64171053016 is an apocalyptic number.

It is an amenable number.

64171053016 is an abundant number, since it is smaller than the sum of its proper divisors (73398125864).

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

64171053016 is a wasteful number, since it uses less digits than its factorization.

64171053016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498175 (or 498171 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 64171053016 in words is "sixty-four billion, one hundred seventy-one million, fifty-three thousand, sixteen".