18964316112 has 40 divisors (see below), whose sum is σ = 55989886656. Its totient is φ = 5418375936.

The previous prime is 18964316099. The next prime is 18964316113. The reversal of 18964316112 is 21161346981.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18964316113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28220373 + ... + 28221044.

Almost surely, 2^18964316112 is an apocalyptic number.

18964316112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18964316112 is an abundant number, since it is smaller than the sum of its proper divisors (37025570544).

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

18964316112 is a wasteful number, since it uses less digits than its factorization.

18964316112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56441435 (or 56441429 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The spelling of 18964316112 in words is "eighteen billion, nine hundred sixty-four million, three hundred sixteen thousand, one hundred twelve".