321201164 has 12 divisors (see below), whose sum is σ = 586541424. Its totient is φ = 153617904.

The previous prime is 321201163. The next prime is 321201191. The reversal of 321201164 is 461102123.

It is not an unprimeable number, because it can be changed into a prime (321201163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745567 + ... + 1745750.

It is an arithmetic number, because the mean of its divisors is an integer number (48878452).

Almost surely, 2^321201164 is an apocalyptic number.

It is an amenable number.

321201164 is a deficient number, since it is larger than the sum of its proper divisors (265340260).

321201164 is a wasteful number, since it uses less digits than its factorization.

321201164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491344 (or 3491342 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 321201164 is about 17922.0859277038. The cubic root of 321201164 is about 684.8451274005.

Adding to 321201164 its reverse (461102123), we get a palindrome (782303287).

The spelling of 321201164 in words is "three hundred twenty-one million, two hundred one thousand, one hundred sixty-four".