164046644 has 12 divisors (see below), whose sum is σ = 287238084. Its totient is φ = 81978624.

The previous prime is 164046611. The next prime is 164046667. The reversal of 164046644 is 446640461.

164046644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 150356644 + 13690000 = 12262^2 + 3700^2 .

It is a super-2 number, since 2×164046644² = 53822602815325472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099 + ... + 18234.

It is an arithmetic number, because the mean of its divisors is an integer number (23936507).

Almost surely, 2^164046644 is an apocalyptic number.

It is an amenable number.

164046644 is a deficient number, since it is larger than the sum of its proper divisors (123191440).

164046644 is a wasteful number, since it uses less digits than its factorization.

164046644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22354 (or 22352 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 164046644 is about 12808.0694876316. The cubic root of 164046644 is about 547.4222559418.

It can be divided in two parts, 1640 and 46644, that added together give a palindrome (48284).

The spelling of 164046644 in words is "one hundred sixty-four million, forty-six thousand, six hundred forty-four".