164898790 has 16 divisors (see below), whose sum is σ = 339220512. Its totient is φ = 56536704.

The previous prime is 164898781. The next prime is 164898791. The reversal of 164898790 is 97898461.

It is a happy number.

It is a super-2 number, since 2×164898790² = 54383221886928200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164898791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177779 + ... + 1177918.

It is an arithmetic number, because the mean of its divisors is an integer number (21201282).

Almost surely, 2^164898790 is an apocalyptic number.

164898790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164898790 is an abundant number, since it is smaller than the sum of its proper divisors (174321722).

164898790 is a wasteful number, since it uses less digits than its factorization.

164898790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355711.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 164898790 is about 12841.2923804421. The cubic root of 164898790 is about 548.3684874025.

The spelling of 164898790 in words is "one hundred sixty-four million, eight hundred ninety-eight thousand, seven hundred ninety".