164940250 has 16 divisors (see below), whose sum is σ = 308768616. Its totient is φ = 65976000.

The previous prime is 164940203. The next prime is 164940257. The reversal of 164940250 is 52049461.

It can be written as a sum of positive squares in 4 ways, for example, as 15342889 + 149597361 = 3917^2 + 12231^2 .

It is not an unprimeable number, because it can be changed into a prime (164940257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329631 + ... + 330130.

Almost surely, 2^164940250 is an apocalyptic number.

164940250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164940250 is a deficient number, since it is larger than the sum of its proper divisors (143828366).

164940250 is an equidigital number, since it uses as much as digits as its factorization.

164940250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659778 (or 659768 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 164940250 is about 12842.9066024791. The cubic root of 164940250 is about 548.4144417569.

The spelling of 164940250 in words is "one hundred sixty-four million, nine hundred forty thousand, two hundred fifty".