30904736166 has 72 divisors (see below), whose sum is σ = 70307626440. Its totient is φ = 10062587952.

The previous prime is 30904736147. The next prime is 30904736171. The reversal of 30904736166 is 66163740903.

30904736166 is a `hidden beast` number, since 30 + 90 + 473 + 6 + 1 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60716320 + ... + 60716828.

Almost surely, 2^30904736166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30904736166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35153813220).

30904736166 is an abundant number, since it is smaller than the sum of its proper divisors (39402890274).

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

30904736166 is an frugal number, since it uses more digits than its factorization.

30904736166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 30904736166 in words is "thirty billion, nine hundred four million, seven hundred thirty-six thousand, one hundred sixty-six".