164885146 has 8 divisors (see below), whose sum is σ = 250811424. Its totient is φ = 81281340.

The previous prime is 164885141. The next prime is 164885153. The reversal of 164885146 is 641588461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×164885146² = 54374222742882632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164885141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580440 + ... + 580723.

It is an arithmetic number, because the mean of its divisors is an integer number (31351428).

Almost surely, 2^164885146 is an apocalyptic number.

164885146 is a deficient number, since it is larger than the sum of its proper divisors (85926278).

164885146 is a wasteful number, since it uses less digits than its factorization.

164885146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161236.

The product of its digits is 184320, while the sum is 43.

The square root of 164885146 is about 12840.7611145134. The cubic root of 164885146 is about 548.3533626786.

The spelling of 164885146 in words is "one hundred sixty-four million, eight hundred eighty-five thousand, one hundred forty-six".