164730250 has 32 divisors (see below), whose sum is σ = 311600016. Its totient is φ = 65203200.

The previous prime is 164730239. The next prime is 164730257. The reversal of 164730250 is 52037461.

It can be written as a sum of positive squares in 8 ways, for example, as 915849 + 163814401 = 957^2 + 12799^2 .

It is not an unprimeable number, because it can be changed into a prime (164730257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20854 + ... + 27646.

Almost surely, 2^164730250 is an apocalyptic number.

164730250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164730250 is a deficient number, since it is larger than the sum of its proper divisors (146869766).

164730250 is an equidigital number, since it uses as much as digits as its factorization.

164730250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907 (or 6897 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 164730250 is about 12834.7282791651. The cubic root of 164730250 is about 548.1815979568.

The spelling of 164730250 in words is "one hundred sixty-four million, seven hundred thirty thousand, two hundred fifty".