30420566166 has 64 divisors (see below), whose sum is σ = 64295884800. Its totient is φ = 9582278400.

The previous prime is 30420566129. The next prime is 30420566213. The reversal of 30420566166 is 66166502403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1567450 + ... + 1586738.

It is an arithmetic number, because the mean of its divisors is an integer number (1004623200).

Almost surely, 2^30420566166 is an apocalyptic number.

30420566166 is an abundant number, since it is smaller than the sum of its proper divisors (33875318634).

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

30420566166 is a wasteful number, since it uses less digits than its factorization.

30420566166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19525.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 30420566166 in words is "thirty billion, four hundred twenty million, five hundred sixty-six thousand, one hundred sixty-six".