630011916 has 18 divisors (see below), whose sum is σ = 1592530212. Its totient is φ = 210003960.

The previous prime is 630011867. The next prime is 630011917. The reversal of 630011916 is 619110036.

630011916 is a `hidden beast` number, since 630 + 0 + 1 + 19 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 630011916.

It is not an unprimeable number, because it can be changed into a prime (630011917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8750130 + ... + 8750201.

Almost surely, 2^630011916 is an apocalyptic number.

It is an amenable number.

630011916 is an abundant number, since it is smaller than the sum of its proper divisors (962518296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630011916 is a wasteful number, since it uses less digits than its factorization.

630011916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17500341 (or 17500336 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 630011916 is about 25100.0381673017. The cubic root of 630011916 is about 857.2672930294.

The spelling of 630011916 in words is "six hundred thirty million, eleven thousand, nine hundred sixteen".