854985166 has 32 divisors (see below), whose sum is σ = 1495745280. Its totient is φ = 358952256.

The previous prime is 854985151. The next prime is 854985253. The reversal of 854985166 is 661589458.

It is a congruent number.

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, 256885 + ... + 260191.

It is an arithmetic number, because the mean of its divisors is an integer number (46742040).

Almost surely, 2^854985166 is an apocalyptic number.

854985166 is a deficient number, since it is larger than the sum of its proper divisors (640760114).

854985166 is a wasteful number, since it uses less digits than its factorization.

854985166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688.

The product of its digits is 2073600, while the sum is 52.

The square root of 854985166 is about 29240.1293772788. The cubic root of 854985166 is about 949.1165067748.

The spelling of 854985166 in words is "eight hundred fifty-four million, nine hundred eighty-five thousand, one hundred sixty-six".