164965630 has 32 divisors (see below), whose sum is σ = 314344800. Its totient is φ = 62224512.

The previous prime is 164965621. The next prime is 164965643. The reversal of 164965630 is 36569461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5856 + ... + 19084.

It is an arithmetic number, because the mean of its divisors is an integer number (9823275).

Almost surely, 2^164965630 is an apocalyptic number.

164965630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164965630 is a deficient number, since it is larger than the sum of its proper divisors (149379170).

164965630 is a wasteful number, since it uses less digits than its factorization.

164965630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 164965630 is about 12843.8946585528. The cubic root of 164965630 is about 548.4425692045.

The spelling of 164965630 in words is "one hundred sixty-four million, nine hundred sixty-five thousand, six hundred thirty".