64275182516 has 12 divisors (see below), whose sum is σ = 116360244420. Its totient is φ = 31029398400.

The previous prime is 64275182443. The next prime is 64275182563. The reversal of 64275182516 is 61528157246.

It can be written as a sum of positive squares in 2 ways, for example, as 34413960100 + 29861222416 = 185510^2 + 172804^2 .

It is a super-2 number, since 2×64275182516² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277048085 + ... + 277048316.

It is an arithmetic number, because the mean of its divisors is an integer number (9696687035).

Almost surely, 2^64275182516 is an apocalyptic number.

It is an amenable number.

64275182516 is a deficient number, since it is larger than the sum of its proper divisors (52085061904).

64275182516 is a wasteful number, since it uses less digits than its factorization.

64275182516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554096434 (or 554096432 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The spelling of 64275182516 in words is "sixty-four billion, two hundred seventy-five million, one hundred eighty-two thousand, five hundred sixteen".