321167868 has 48 divisors (see below), whose sum is σ = 901528320. Its totient is φ = 86932224.

The previous prime is 321167827. The next prime is 321167897. The reversal of 321167868 is 868761123.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99021 + ... + 102212.

It is an arithmetic number, because the mean of its divisors is an integer number (18781840).

Almost surely, 2^321167868 is an apocalyptic number.

321167868 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

321167868 is an abundant number, since it is smaller than the sum of its proper divisors (580360452).

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

321167868 is a wasteful number, since it uses less digits than its factorization.

321167868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201266 (or 201264 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 321167868 is about 17921.1569938997. The cubic root of 321167868 is about 684.8214626966.

The spelling of 321167868 in words is "three hundred twenty-one million, one hundred sixty-seven thousand, eight hundred sixty-eight".