64186844112 has 60 divisors (see below), whose sum is σ = 180151832640. Its totient is φ = 21333939264.

The previous prime is 64186844083. The next prime is 64186844131. The reversal of 64186844112 is 21144868146.

It is a super-3 number, since 3×64186844112³ (a number of 33 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 592312 + ... + 692247.

It is an arithmetic number, because the mean of its divisors is an integer number (3002530544).

Almost surely, 2^64186844112 is an apocalyptic number.

It is an amenable number.

64186844112 is an abundant number, since it is smaller than the sum of its proper divisors (115964988528).

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

64186844112 is a wasteful number, since it uses less digits than its factorization.

64186844112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284920 (or 1284911 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The spelling of 64186844112 in words is "sixty-four billion, one hundred eighty-six million, eight hundred forty-four thousand, one hundred twelve".