164986806 has 32 divisors (see below), whose sum is σ = 334368000. Its totient is φ = 54268640.

The previous prime is 164986793. The next prime is 164986847. The reversal of 164986806 is 608689461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159511 + ... + 160541.

It is an arithmetic number, because the mean of its divisors is an integer number (10449000).

Almost surely, 2^164986806 is an apocalyptic number.

164986806 is an abundant number, since it is smaller than the sum of its proper divisors (169381194).

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

164986806 is a wasteful number, since it uses less digits than its factorization.

164986806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 164986806 is about 12844.7189926444. The cubic root of 164986806 is about 548.4660353510.

The spelling of 164986806 in words is "one hundred sixty-four million, nine hundred eighty-six thousand, eight hundred six".