64186274112 has 28 divisors (see below), whose sum is σ = 169826184096. Its totient is φ = 21395424640.

The previous prime is 64186274063. The next prime is 64186274137. The reversal of 64186274112 is 21147268146.

It is a congruent number.

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, 167151564 + ... + 167151947.

Almost surely, 2^64186274112 is an apocalyptic number.

It is an amenable number.

64186274112 is an abundant number, since it is smaller than the sum of its proper divisors (105639909984).

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

64186274112 is a wasteful number, since it uses less digits than its factorization.

64186274112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334303526 (or 334303516 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The spelling of 64186274112 in words is "sixty-four billion, one hundred eighty-six million, two hundred seventy-four thousand, one hundred twelve".