164273020 has 24 divisors (see below), whose sum is σ = 345214800. Its totient is φ = 65663232.

The previous prime is 164272991. The next prime is 164273033. The reversal of 164273020 is 20372461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51636 + ... + 54724.

It is an arithmetic number, because the mean of its divisors is an integer number (14383950).

Almost surely, 2^164273020 is an apocalyptic number.

164273020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164273020 is an abundant number, since it is smaller than the sum of its proper divisors (180941780).

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

164273020 is a wasteful number, since it uses less digits than its factorization.

164273020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 164273020 is about 12816.9036822471. The cubic root of 164273020 is about 547.6739451335.

The spelling of 164273020 in words is "one hundred sixty-four million, two hundred seventy-three thousand, twenty".