852166512 has 30 divisors (see below), whose sum is σ = 2384883072. Its totient is φ = 284055456.

The previous prime is 852166507. The next prime is 852166519. The reversal of 852166512 is 215661258.

852166512 is a `hidden beast` number, since 85 + 2 + 1 + 66 + 512 = 666.

It is a super-2 number, since 2×852166512² = 1452375528348492288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852166519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2958768 + ... + 2959055.

Almost surely, 2^852166512 is an apocalyptic number.

It is an amenable number.

852166512 is an abundant number, since it is smaller than the sum of its proper divisors (1532716560).

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

852166512 is a wasteful number, since it uses less digits than its factorization.

852166512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917837 (or 5917828 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 852166512 is about 29191.8912028666. The cubic root of 852166512 is about 948.0723653566.

The spelling of 852166512 in words is "eight hundred fifty-two million, one hundred sixty-six thousand, five hundred twelve".