30185747166 has 8 divisors (see below), whose sum is σ = 60371494344. Its totient is φ = 10061915720.

The previous prime is 30185747153. The next prime is 30185747167. The reversal of 30185747166 is 66174758103.

30185747166 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

30185747166 is an admirable number.

It is a super-2 number, since 2×30185747166² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30185747167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2515478925 + ... + 2515478936.

It is an arithmetic number, because the mean of its divisors is an integer number (7546436793).

Almost surely, 2^30185747166 is an apocalyptic number.

30185747166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30185747166 is a wasteful number, since it uses less digits than its factorization.

30185747166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030957866.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 30185747166 in words is "thirty billion, one hundred eighty-five million, seven hundred forty-seven thousand, one hundred sixty-six".