30618021366 has 48 divisors (see below), whose sum is σ = 66746075760. Its totient is φ = 10143524160.

The previous prime is 30618021353. The next prime is 30618021437. The reversal of 30618021366 is 66312081603.

30618021366 is a `hidden beast` number, since 3 + 0 + 618 + 0 + 2 + 1 + 36 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30618021366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2930640 + ... + 2941068.

It is an arithmetic number, because the mean of its divisors is an integer number (1390543245).

Almost surely, 2^30618021366 is an apocalyptic number.

30618021366 is an abundant number, since it is smaller than the sum of its proper divisors (36128054394).

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

30618021366 is a wasteful number, since it uses less digits than its factorization.

30618021366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11421 (or 11418 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 30618021366 in words is "thirty billion, six hundred eighteen million, twenty-one thousand, three hundred sixty-six".