164870852 has 6 divisors (see below), whose sum is σ = 288523998. Its totient is φ = 82435424.

The previous prime is 164870837. The next prime is 164870921. The reversal of 164870852 is 258078461.

It can be written as a sum of positive squares in only one way, i.e., 160934596 + 3936256 = 12686^2 + 1984^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20608853 + ... + 20608860.

It is an arithmetic number, because the mean of its divisors is an integer number (48087333).

Almost surely, 2^164870852 is an apocalyptic number.

It is an amenable number.

164870852 is a deficient number, since it is larger than the sum of its proper divisors (123653146).

164870852 is a wasteful number, since it uses less digits than its factorization.

164870852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41217717 (or 41217715 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 164870852 is about 12840.2045155052. The cubic root of 164870852 is about 548.3375165181.

The spelling of 164870852 in words is "one hundred sixty-four million, eight hundred seventy thousand, eight hundred fifty-two".