30666622090 has 16 divisors (see below), whose sum is σ = 59446067688. Its totient is φ = 11323060416.

The previous prime is 30666622073. The next prime is 30666622111. The reversal of 30666622090 is 9022666603.

It can be written as a sum of positive squares in 4 ways, for example, as 26939641689 + 3726980401 = 164133^2 + 61049^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117948417 + ... + 117948676.

Almost surely, 2^30666622090 is an apocalyptic number.

30666622090 is a deficient number, since it is larger than the sum of its proper divisors (28779445598).

30666622090 is a wasteful number, since it uses less digits than its factorization.

30666622090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235897113.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 30666622090 in words is "thirty billion, six hundred sixty-six million, six hundred twenty-two thousand, ninety".