88491165894 has 48 divisors (see below), whose sum is σ = 194098411728. Its totient is φ = 29134457856.

The previous prime is 88491165887. The next prime is 88491165943. The reversal of 88491165894 is 49856119488.

88491165894 is a `hidden beast` number, since 8 + 8 + 49 + 1 + 1 + 6 + 589 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580894 + ... + 717230.

It is an arithmetic number, because the mean of its divisors is an integer number (4043716911).

Almost surely, 2^88491165894 is an apocalyptic number.

88491165894 is an abundant number, since it is smaller than the sum of its proper divisors (105607245834).

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

88491165894 is a wasteful number, since it uses less digits than its factorization.

88491165894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136789 (or 136786 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 63.

The spelling of 88491165894 in words is "eighty-eight billion, four hundred ninety-one million, one hundred sixty-five thousand, eight hundred ninety-four".