168364331 has 8 divisors (see below), whose sum is σ = 171905664. Its totient is φ = 164848320.

The previous prime is 168364321. The next prime is 168364333. The reversal of 168364331 is 133463861.

168364331 = 129² + 130² + ... + 797².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168364331 is a prime.

It is a super-2 number, since 2×168364331² = 56693095906155122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168364291 and 168364300.

It is not an unprimeable number, because it can be changed into a prime (168364333) 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, 7415 + ... + 19791.

It is an arithmetic number, because the mean of its divisors is an integer number (21488208).

Almost surely, 2^168364331 is an apocalyptic number.

168364331 is a deficient number, since it is larger than the sum of its proper divisors (3541333).

168364331 is a wasteful number, since it uses less digits than its factorization.

168364331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12661.

The product of its digits is 31104, while the sum is 35.

The square root of 168364331 is about 12975.5281588073. The cubic root of 168364331 is about 552.1834209382.

The spelling of 168364331 in words is "one hundred sixty-eight million, three hundred sixty-four thousand, three hundred thirty-one".