30565492668 has 48 divisors (see below), whose sum is σ = 80013256960. Its totient is φ = 10089576432.

The previous prime is 30565492663. The next prime is 30565492693. The reversal of 30565492668 is 86629456503.

30565492668 is a `hidden beast` number, since 30 + 5 + 6 + 549 + 2 + 6 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30565492663) 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, 1362730 + ... + 1384977.

Almost surely, 2^30565492668 is an apocalyptic number.

It is an amenable number.

30565492668 is an abundant number, since it is smaller than the sum of its proper divisors (49447764292).

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

30565492668 is a wasteful number, since it uses less digits than its factorization.

30565492668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747823 (or 2747815 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 30565492668 in words is "thirty billion, five hundred sixty-five million, four hundred ninety-two thousand, six hundred sixty-eight".