164946630 has 64 divisors (see below), whose sum is σ = 405388800. Its totient is φ = 42941184.

The previous prime is 164946611. The next prime is 164946643. The reversal of 164946630 is 36649461.

164946630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275071 + ... + 275669.

It is an arithmetic number, because the mean of its divisors is an integer number (6334200).

Almost surely, 2^164946630 is an apocalyptic number.

164946630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164946630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202694400).

164946630 is an abundant number, since it is smaller than the sum of its proper divisors (240442170).

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

164946630 is a wasteful number, since it uses less digits than its factorization.

164946630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 164946630 is about 12843.1549862174. The cubic root of 164946630 is about 548.4215126791.

The spelling of 164946630 in words is "one hundred sixty-four million, nine hundred forty-six thousand, six hundred thirty".