891416112892 has 24 divisors (see below), whose sum is σ = 1598752480752. Its totient is φ = 434639568000.

The previous prime is 891416112883. The next prime is 891416112893. The reversal of 891416112892 is 298211614198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891416112893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872359 + ... + 1594942.

It is an arithmetic number, because the mean of its divisors is an integer number (66614686698).

Almost surely, 2^891416112892 is an apocalyptic number.

891416112892 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

891416112892 is a deficient number, since it is larger than the sum of its proper divisors (707336367860).

891416112892 is a wasteful number, since it uses less digits than its factorization.

891416112892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469549 (or 2469547 counting only the distinct ones).

The product of its digits is 497664, while the sum is 52.

The spelling of 891416112892 in words is "eight hundred ninety-one billion, four hundred sixteen million, one hundred twelve thousand, eight hundred ninety-two".