355998163 has 16 divisors (see below), whose sum is σ = 380712960. Its totient is φ = 332106016.

The previous prime is 355998157. The next prime is 355998169. The reversal of 355998163 is 361899553.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (355998157) and next prime (355998169).

It is a de Polignac number, because none of the positive numbers 2^k-355998163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355998169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549906 + ... + 550552.

It is an arithmetic number, because the mean of its divisors is an integer number (23794560).

Almost surely, 2^355998163 is an apocalyptic number.

355998163 is a deficient number, since it is larger than the sum of its proper divisors (24714797).

355998163 is a wasteful number, since it uses less digits than its factorization.

355998163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its digits is 874800, while the sum is 49.

The square root of 355998163 is about 18867.9135836478. The cubic root of 355998163 is about 708.7328870988.

The spelling of 355998163 in words is "three hundred fifty-five million, nine hundred ninety-eight thousand, one hundred sixty-three".