866618114 has 4 divisors (see below), whose sum is σ = 1299927174. Its totient is φ = 433309056.

The previous prime is 866618083. The next prime is 866618141. The reversal of 866618114 is 411816668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 646837489 + 219780625 = 25433^2 + 14825^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216654527 + ... + 216654530.

Almost surely, 2^866618114 is an apocalyptic number.

866618114 is a deficient number, since it is larger than the sum of its proper divisors (433309060).

866618114 is a wasteful number, since it uses less digits than its factorization.

866618114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433309059.

The product of its digits is 55296, while the sum is 41.

The square root of 866618114 is about 29438.3782501686. The cubic root of 866618114 is about 953.4016974084.

The spelling of 866618114 in words is "eight hundred sixty-six million, six hundred eighteen thousand, one hundred fourteen".