164355020 has 24 divisors (see below), whose sum is σ = 350299824. Its totient is φ = 64760256.

The previous prime is 164355013. The next prime is 164355029. The reversal of 164355020 is 20553461.

It is not an unprimeable number, because it can be changed into a prime (164355029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59987 + ... + 62666.

It is an arithmetic number, because the mean of its divisors is an integer number (14595826).

Almost surely, 2^164355020 is an apocalyptic number.

164355020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164355020 is an abundant number, since it is smaller than the sum of its proper divisors (185944804).

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

164355020 is a wasteful number, since it uses less digits than its factorization.

164355020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122729 (or 122727 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 164355020 is about 12820.1021836801. The cubic root of 164355020 is about 547.7650572612.

The spelling of 164355020 in words is "one hundred sixty-four million, three hundred fifty-five thousand, twenty".