164593470 has 16 divisors (see below), whose sum is σ = 395024400. Its totient is φ = 43891584.

The previous prime is 164593469. The next prime is 164593489. The reversal of 164593470 is 74395461.

It is a Curzon number.

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, 2743195 + ... + 2743254.

It is an arithmetic number, because the mean of its divisors is an integer number (24689025).

Almost surely, 2^164593470 is an apocalyptic number.

164593470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164593470 is an abundant number, since it is smaller than the sum of its proper divisors (230430930).

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

164593470 is a wasteful number, since it uses less digits than its factorization.

164593470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486459.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 164593470 is about 12829.3986608882. The cubic root of 164593470 is about 548.0298325884.

The spelling of 164593470 in words is "one hundred sixty-four million, five hundred ninety-three thousand, four hundred seventy".