86166846 has 48 divisors (see below), whose sum is σ = 199783584. Its totient is φ = 26744832.

The previous prime is 86166827. The next prime is 86166851. The reversal of 86166846 is 64866168.

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, 28231 + ... + 31133.

It is an arithmetic number, because the mean of its divisors is an integer number (4162158).

Almost surely, 2^86166846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86166846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99891792).

86166846 is an abundant number, since it is smaller than the sum of its proper divisors (113616738).

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

86166846 is a wasteful number, since it uses less digits than its factorization.

86166846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3022 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 86166846 is about 9282.6098700743. The cubic root of 86166846 is about 441.6857610985.

The spelling of 86166846 in words is "eighty-six million, one hundred sixty-six thousand, eight hundred forty-six".