63116821602 has 12 divisors (see below), whose sum is σ = 136753113510. Its totient is φ = 21038940528.

The previous prime is 63116821577. The next prime is 63116821613. The reversal of 63116821602 is 20612861136.

It is a happy number.

63116821602 is a `hidden beast` number, since 6 + 31 + 16 + 8 + 2 + 1 + 602 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36332553321 + 26784268281 = 190611^2 + 163659^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1753245027 + ... + 1753245062.

Almost surely, 2^63116821602 is an apocalyptic number.

63116821602 is an abundant number, since it is smaller than the sum of its proper divisors (73636291908).

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

63116821602 is a wasteful number, since it uses less digits than its factorization.

63116821602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506490097 (or 3506490094 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 63116821602 in words is "sixty-three billion, one hundred sixteen million, eight hundred twenty-one thousand, six hundred two".