164340830 has 32 divisors (see below), whose sum is σ = 300736800. Its totient is φ = 64650112.

The previous prime is 164340829. The next prime is 164340857. The reversal of 164340830 is 38043461.

It is a junction number, because it is equal to n+sod(n) for n = 164340793 and 164340802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322616 + ... + 323124.

It is an arithmetic number, because the mean of its divisors is an integer number (9398025).

Almost surely, 2^164340830 is an apocalyptic number.

164340830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164340830 is a deficient number, since it is larger than the sum of its proper divisors (136395970).

164340830 is a wasteful number, since it uses less digits than its factorization.

164340830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 164340830 is about 12819.5487440081. The cubic root of 164340830 is about 547.7492925873.

The spelling of 164340830 in words is "one hundred sixty-four million, three hundred forty thousand, eight hundred thirty".