64452688112 has 20 divisors (see below), whose sum is σ = 124884829776. Its totient is φ = 32224344960.

The previous prime is 64452688109. The next prime is 64452688129. The reversal of 64452688112 is 21188625446.

It is a super-2 number, since 2×64452688112² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 160853 + ... + 393419.

Almost surely, 2^64452688112 is an apocalyptic number.

It is an amenable number.

64452688112 is a deficient number, since it is larger than the sum of its proper divisors (60432141664).

64452688112 is a wasteful number, since it uses less digits than its factorization.

64452688112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249896 (or 249890 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The spelling of 64452688112 in words is "sixty-four billion, four hundred fifty-two million, six hundred eighty-eight thousand, one hundred twelve".