164620250 has 32 divisors (see below), whose sum is σ = 310093056. Its totient is φ = 65437200.

The previous prime is 164620241. The next prime is 164620259. The reversal of 164620250 is 52026461.

It is an interprime number because it is at equal distance from previous prime (164620241) and next prime (164620259).

It is not an unprimeable number, because it can be changed into a prime (164620259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39779 + ... + 43721.

It is an arithmetic number, because the mean of its divisors is an integer number (9690408).

Almost surely, 2^164620250 is an apocalyptic number.

164620250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164620250 is a deficient number, since it is larger than the sum of its proper divisors (145472806).

164620250 is a wasteful number, since it uses less digits than its factorization.

164620250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 164620250 is about 12830.4423150568. The cubic root of 164620250 is about 548.0595531741.

The spelling of 164620250 in words is "one hundred sixty-four million, six hundred twenty thousand, two hundred fifty".