86951166 has 16 divisors (see below), whose sum is σ = 174214800. Its totient is φ = 28931648.

The previous prime is 86951159. The next prime is 86951167. The reversal of 86951166 is 66115968.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86951167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9321 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (10888425).

Almost surely, 2^86951166 is an apocalyptic number.

86951166 is an abundant number, since it is smaller than the sum of its proper divisors (87263634).

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

86951166 is a wasteful number, since it uses less digits than its factorization.

86951166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26043.

The product of its digits is 77760, while the sum is 42.

The square root of 86951166 is about 9324.7609084630. The cubic root of 86951166 is about 443.0218402235.

The spelling of 86951166 in words is "eighty-six million, nine hundred fifty-one thousand, one hundred sixty-six".