870164190 has 48 divisors (see below), whose sum is σ = 2585632608. Its totient is φ = 198894528.

The previous prime is 870164189. The next prime is 870164213. The reversal of 870164190 is 91461078.

870164190 is a `hidden beast` number, since 8 + 7 + 0 + 1 + 641 + 9 + 0 = 666.

It is a super-2 number, since 2×870164190² = 1514371435116712200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 689977 + ... + 691236.

It is an arithmetic number, because the mean of its divisors is an integer number (53867346).

Almost surely, 2^870164190 is an apocalyptic number.

870164190 is an abundant number, since it is smaller than the sum of its proper divisors (1715468418).

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

870164190 is a wasteful number, since it uses less digits than its factorization.

870164190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381233 (or 1381230 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 870164190 is about 29498.5455573660. The cubic root of 870164190 is about 954.7003217125.

The spelling of 870164190 in words is "eight hundred seventy million, one hundred sixty-four thousand, one hundred ninety".