164164250 has 16 divisors (see below), whose sum is σ = 307315944. Its totient is φ = 65665600.

The previous prime is 164164249. The next prime is 164164277. The reversal of 164164250 is 52461461.

164164250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 75672601 + 88491649 = 8699^2 + 9407^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328079 + ... + 328578.

Almost surely, 2^164164250 is an apocalyptic number.

164164250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164164250 is a deficient number, since it is larger than the sum of its proper divisors (143151694).

164164250 is an equidigital number, since it uses as much as digits as its factorization.

164164250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656674 (or 656664 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 164164250 is about 12812.6597551016. The cubic root of 164164250 is about 547.5530414338.

The spelling of 164164250 in words is "one hundred sixty-four million, one hundred sixty-four thousand, two hundred fifty".