630538165 has 16 divisors (see below), whose sum is σ = 762048000. Its totient is φ = 500843392.

The previous prime is 630538163. The next prime is 630538193. The reversal of 630538165 is 561835036.

It is a cyclic number.

It is not a de Polignac number, because 630538165 - 2¹ = 630538163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630538163) 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, 600561 + ... + 601609.

It is an arithmetic number, because the mean of its divisors is an integer number (47628000).

Almost surely, 2^630538165 is an apocalyptic number.

It is an amenable number.

630538165 is a deficient number, since it is larger than the sum of its proper divisors (131509835).

630538165 is a wasteful number, since it uses less digits than its factorization.

630538165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 630538165 is about 25110.5190109643. The cubic root of 630538165 is about 857.5059184115.

The spelling of 630538165 in words is "six hundred thirty million, five hundred thirty-eight thousand, one hundred sixty-five".