320164642 has 8 divisors (see below), whose sum is σ = 548853696. Its totient is φ = 137213412.

The previous prime is 320164619. The next prime is 320164673. The reversal of 320164642 is 246461023.

320164642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 320164642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11434438 + ... + 11434465.

It is an arithmetic number, because the mean of its divisors is an integer number (68606712).

Almost surely, 2^320164642 is an apocalyptic number.

320164642 is a deficient number, since it is larger than the sum of its proper divisors (228689054).

320164642 is a wasteful number, since it uses less digits than its factorization.

320164642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22868912.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 320164642 is about 17893.1451120254. The cubic root of 320164642 is about 684.1076643332.

The spelling of 320164642 in words is "three hundred twenty million, one hundred sixty-four thousand, six hundred forty-two".