164949630 has 48 divisors (see below), whose sum is σ = 401408784. Its totient is φ = 43380480.

The previous prime is 164949611. The next prime is 164949637. The reversal of 164949630 is 36949461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164949637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186790 + ... + 187670.

It is an arithmetic number, because the mean of its divisors is an integer number (8362683).

Almost surely, 2^164949630 is an apocalyptic number.

164949630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164949630 is an abundant number, since it is smaller than the sum of its proper divisors (236459154).

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

164949630 is an equidigital number, since it uses as much as digits as its factorization.

164949630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 164949630 is about 12843.2717794182. The cubic root of 164949630 is about 548.4248375012.

The spelling of 164949630 in words is "one hundred sixty-four million, nine hundred forty-nine thousand, six hundred thirty".