321662113 has 8 divisors (see below), whose sum is σ = 334252800. Its totient is φ = 309171408.

The previous prime is 321662111. The next prime is 321662149. The reversal of 321662113 is 311266123.

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

It is a cyclic number.

It is not a de Polignac number, because 321662113 - 2¹ = 321662111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321662111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18403 + ... + 31336.

It is an arithmetic number, because the mean of its divisors is an integer number (41781600).

Almost surely, 2^321662113 is an apocalyptic number.

It is an amenable number.

321662113 is a deficient number, since it is larger than the sum of its proper divisors (12590687).

321662113 is a wasteful number, since it uses less digits than its factorization.

321662113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49991.

The product of its digits is 1296, while the sum is 25.

The square root of 321662113 is about 17934.9411206170. The cubic root of 321662113 is about 685.1725730683.

The spelling of 321662113 in words is "three hundred twenty-one million, six hundred sixty-two thousand, one hundred thirteen".