855371668 has 12 divisors (see below), whose sum is σ = 1497263040. Its totient is φ = 427582232.

The previous prime is 855371603. The next prime is 855371681. The reversal of 855371668 is 866173558.

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, 5548 + ... + 41731.

It is an arithmetic number, because the mean of its divisors is an integer number (124771920).

Almost surely, 2^855371668 is an apocalyptic number.

It is an amenable number.

855371668 is a deficient number, since it is larger than the sum of its proper divisors (641891372).

855371668 is a wasteful number, since it uses less digits than its factorization.

855371668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51806 (or 51804 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 855371668 is about 29246.7377326087. The cubic root of 855371668 is about 949.2595034722.

The spelling of 855371668 in words is "eight hundred fifty-five million, three hundred seventy-one thousand, six hundred sixty-eight".