163183345 has 8 divisors (see below), whose sum is σ = 210883176. Its totient is φ = 120504576.

The previous prime is 163183337. The next prime is 163183351. The reversal of 163183345 is 543381361.

It can be written as a sum of positive squares in 4 ways, for example, as 34292736 + 128890609 = 5856^2 + 11353^2 .

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 163183345 - 2³ = 163183337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163183345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255192 + ... + 1255321.

It is an arithmetic number, because the mean of its divisors is an integer number (26360397).

Almost surely, 2^163183345 is an apocalyptic number.

It is an amenable number.

163183345 is a deficient number, since it is larger than the sum of its proper divisors (47699831).

163183345 is a wasteful number, since it uses less digits than its factorization.

163183345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510531.

The product of its digits is 25920, while the sum is 34.

The square root of 163183345 is about 12774.3236611572. The cubic root of 163183345 is about 546.4602927053.

The spelling of 163183345 in words is "one hundred sixty-three million, one hundred eighty-three thousand, three hundred forty-five".