164340250 has 16 divisors (see below), whose sum is σ = 307645416. Its totient is φ = 65736000.

The previous prime is 164340223. The next prime is 164340251. The reversal of 164340250 is 52043461.

It can be written as a sum of positive squares in 4 ways, for example, as 23941449 + 140398801 = 4893^2 + 11849^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164340251) 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 7 ways as a sum of consecutive naturals, for example, 328431 + ... + 328930.

Almost surely, 2^164340250 is an apocalyptic number.

164340250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164340250 is a deficient number, since it is larger than the sum of its proper divisors (143305166).

164340250 is an equidigital number, since it uses as much as digits as its factorization.

164340250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657378 (or 657368 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 164340250 is about 12819.5261222870. The cubic root of 164340250 is about 547.7486482050.

It can be divided in two parts, 1643 and 40250, that multiplied together give a triangular number (66130750 = T₁₁₅₀₀).

The spelling of 164340250 in words is "one hundred sixty-four million, three hundred forty thousand, two hundred fifty".