164700830 has 64 divisors (see below), whose sum is σ = 355000320. Its totient is φ = 53827200.

The previous prime is 164700827. The next prime is 164700841. The reversal of 164700830 is 38007461.

It is a junction number, because it is equal to n+sod(n) for n = 164700793 and 164700802.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 153536 + ... + 154604.

It is an arithmetic number, because the mean of its divisors is an integer number (5546880).

Almost surely, 2^164700830 is an apocalyptic number.

164700830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164700830 is an abundant number, since it is smaller than the sum of its proper divisors (190299490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164700830 is a wasteful number, since it uses less digits than its factorization.

164700830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 164700830 is about 12833.5821188007. The cubic root of 164700830 is about 548.1489618486.

The spelling of 164700830 in words is "one hundred sixty-four million, seven hundred thousand, eight hundred thirty".