630163311 has 16 divisors (see below), whose sum is σ = 851424000. Its totient is φ = 414543168.

The previous prime is 630163283. The next prime is 630163321. The reversal of 630163311 is 113361036.

It is a de Polignac number, because none of the positive numbers 2^k-630163311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630163321) 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, 65115 + ... + 74163.

It is an arithmetic number, because the mean of its divisors is an integer number (53214000).

Almost surely, 2^630163311 is an apocalyptic number.

630163311 is a deficient number, since it is larger than the sum of its proper divisors (221260689).

630163311 is a wasteful number, since it uses less digits than its factorization.

630163311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9358.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 630163311 is about 25103.0538182110. The cubic root of 630163311 is about 857.3359560625.

The spelling of 630163311 in words is "six hundred thirty million, one hundred sixty-three thousand, three hundred eleven".