660323163 has 32 divisors (see below), whose sum is σ = 975421440. Its totient is φ = 395555840.

The previous prime is 660323161. The next prime is 660323171. The reversal of 660323163 is 361323066.

It is a cyclic number.

It is not a de Polignac number, because 660323163 - 2¹ = 660323161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 660323163.

It is not an unprimeable number, because it can be changed into a prime (660323161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94918 + ... + 101636.

It is an arithmetic number, because the mean of its divisors is an integer number (30481920).

Almost surely, 2^660323163 is an apocalyptic number.

660323163 is a deficient number, since it is larger than the sum of its proper divisors (315098277).

660323163 is a wasteful number, since it uses less digits than its factorization.

660323163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 660323163 is about 25696.7539389706. The cubic root of 660323163 is about 870.8008493142.

The spelling of 660323163 in words is "six hundred sixty million, three hundred twenty-three thousand, one hundred sixty-three".