328166817 has 8 divisors (see below), whose sum is σ = 477333600. Its totient is φ = 198888960.

The previous prime is 328166809. The next prime is 328166821. The reversal of 328166817 is 718661823.

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

It is not a de Polignac number, because 328166817 - 2³ = 328166809 is a prime.

It is a super-2 number, since 2×328166817² = 215386919559822978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328166807) 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, 4972192 + ... + 4972257.

It is an arithmetic number, because the mean of its divisors is an integer number (59666700).

Almost surely, 2^328166817 is an apocalyptic number.

It is an amenable number.

328166817 is a deficient number, since it is larger than the sum of its proper divisors (149166783).

328166817 is a wasteful number, since it uses less digits than its factorization.

328166817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9944463.

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

The square root of 328166817 is about 18115.3751548236. The cubic root of 328166817 is about 689.7603431509.

The spelling of 328166817 in words is "three hundred twenty-eight million, one hundred sixty-six thousand, eight hundred seventeen".