30556260168 has 32 divisors (see below), whose sum is σ = 87303600960. Its totient is φ = 8730360000.

The previous prime is 30556260167. The next prime is 30556260191. The reversal of 30556260168 is 86106265503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (30556260167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90941083 + ... + 90941418.

It is an arithmetic number, because the mean of its divisors is an integer number (2728237530).

Almost surely, 2^30556260168 is an apocalyptic number.

It is an amenable number.

30556260168 is an abundant number, since it is smaller than the sum of its proper divisors (56747340792).

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

30556260168 is a wasteful number, since it uses less digits than its factorization.

30556260168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181882517 (or 181882513 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 30556260168 in words is "thirty billion, five hundred fifty-six million, two hundred sixty thousand, one hundred sixty-eight".