64050165512 has 32 divisors (see below), whose sum is σ = 121296490200. Its totient is φ = 31705089024.

The previous prime is 64050165467. The next prime is 64050165521. The reversal of 64050165512 is 21556105046.

It can be written as a sum of positive squares in 4 ways, for example, as 33301140196 + 30749025316 = 182486^2 + 175354^2 .

It is a super-2 number, since 2×64050165512² (a number of 22 digits) contains 22 as substring.

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, 752414 + ... + 833202.

Almost surely, 2^64050165512 is an apocalyptic number.

It is an amenable number.

64050165512 is a deficient number, since it is larger than the sum of its proper divisors (57246324688).

64050165512 is a wasteful number, since it uses less digits than its factorization.

64050165512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81785 (or 81781 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 64050165512 in words is "sixty-four billion, fifty million, one hundred sixty-five thousand, five hundred twelve".