866167914 has 32 divisors (see below), whose sum is σ = 1782010944. Its totient is φ = 280558080.

The previous prime is 866167909. The next prime is 866167921. The reversal of 866167914 is 419761668.

It is a happy number.

It is a super-2 number, since 2×866167914² = 1500493710486222792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16122 + ... + 44634.

It is an arithmetic number, because the mean of its divisors is an integer number (55687842).

Almost surely, 2^866167914 is an apocalyptic number.

866167914 is an abundant number, since it is smaller than the sum of its proper divisors (915843030).

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

866167914 is a wasteful number, since it uses less digits than its factorization.

866167914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28662.

The product of its digits is 435456, while the sum is 48.

The square root of 866167914 is about 29430.7307758404. The cubic root of 866167914 is about 953.2365743920.

The spelling of 866167914 in words is "eight hundred sixty-six million, one hundred sixty-seven thousand, nine hundred fourteen".