320270164 has 6 divisors (see below), whose sum is σ = 560472794. Its totient is φ = 160135080.

The previous prime is 320270161. The next prime is 320270233. The reversal of 320270164 is 461072023.

It can be written as a sum of positive squares in only one way, i.e., 313290000 + 6980164 = 17700^2 + 2642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320270161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40033767 + ... + 40033774.

Almost surely, 2^320270164 is an apocalyptic number.

It is an amenable number.

320270164 is a deficient number, since it is larger than the sum of its proper divisors (240202630).

320270164 is a wasteful number, since it uses less digits than its factorization.

320270164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80067545 (or 80067543 counting only the distinct ones).

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

The square root of 320270164 is about 17896.0935402115. The cubic root of 320270164 is about 684.1828136680.

The spelling of 320270164 in words is "three hundred twenty million, two hundred seventy thousand, one hundred sixty-four".