112164720971784 has 128 divisors (see below), whose sum is σ = 317921081856000. Its totient is φ = 32691124088064.

The previous prime is 112164720971777. The next prime is 112164720971813. The reversal of 112164720971784 is 487179027461211.

It is a super-2 number, since 2×112164720971784² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40309737 + ... + 43002375.

It is an arithmetic number, because the mean of its divisors is an integer number (2483758452000).

Almost surely, 2^{112164720971784} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112164720971784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158960540928000).

112164720971784 is an abundant number, since it is smaller than the sum of its proper divisors (205756360884216).

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

112164720971784 is a wasteful number, since it uses less digits than its factorization.

112164720971784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699707 (or 2699703 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 60.

The spelling of 112164720971784 in words is "one hundred twelve trillion, one hundred sixty-four billion, seven hundred twenty million, nine hundred seventy-one thousand, seven hundred eighty-four".