665160886 has 8 divisors (see below), whose sum is σ = 1074490704. Its totient is φ = 306997320.

The previous prime is 665160871. The next prime is 665160901. The reversal of 665160886 is 688061566.

It is an interprime number because it is at equal distance from previous prime (665160871) and next prime (665160901).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12791530 + ... + 12791581.

It is an arithmetic number, because the mean of its divisors is an integer number (134311338).

Almost surely, 2^665160886 is an apocalyptic number.

665160886 is a deficient number, since it is larger than the sum of its proper divisors (409329818).

665160886 is a wasteful number, since it uses less digits than its factorization.

665160886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25583126.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 665160886 is about 25790.7131735437. The cubic root of 665160886 is about 872.9222586430.

The spelling of 665160886 in words is "six hundred sixty-five million, one hundred sixty thousand, eight hundred eighty-six".