30661974206 has 8 divisors (see below), whose sum is σ = 46010188704. Its totient is φ = 15325244640.

The previous prime is 30661974169. The next prime is 30661974221. The reversal of 30661974206 is 60247916603.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864555 + ... + 2875238.

It is an arithmetic number, because the mean of its divisors is an integer number (5751273588).

Almost surely, 2^30661974206 is an apocalyptic number.

30661974206 is a deficient number, since it is larger than the sum of its proper divisors (15348214498).

30661974206 is a wasteful number, since it uses less digits than its factorization.

30661974206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742466.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 30661974206 in words is "thirty billion, six hundred sixty-one million, nine hundred seventy-four thousand, two hundred six".