630616366042 has 16 divisors (see below), whose sum is σ = 1018854333000. Its totient is φ = 291006176832.

The previous prime is 630616366021. The next prime is 630616366043. The reversal of 630616366042 is 240663616036.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 462221857161 + 168394508881 = 679869^2 + 410359^2 .

It is a super-2 number, since 2×630616366042² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630616366042.

It is not an unprimeable number, because it can be changed into a prime (630616366043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817917 + ... + 2136832.

Almost surely, 2^630616366042 is an apocalyptic number.

630616366042 is a deficient number, since it is larger than the sum of its proper divisors (388237966958).

630616366042 is a wasteful number, since it uses less digits than its factorization.

630616366042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960897.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 630616366042 in words is "six hundred thirty billion, six hundred sixteen million, three hundred sixty-six thousand, forty-two".