30861666667 has 8 divisors (see below), whose sum is σ = 33307742160. Its totient is φ = 28425891360.

The previous prime is 30861666581. The next prime is 30861666691. The reversal of 30861666667 is 76666616803.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30861666667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30861666067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2568817 + ... + 2580802.

It is an arithmetic number, because the mean of its divisors is an integer number (4163467770).

Almost surely, 2^30861666667 is an apocalyptic number.

30861666667 is a deficient number, since it is larger than the sum of its proper divisors (2446075493).

30861666667 is a wasteful number, since it uses less digits than its factorization.

30861666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150093.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 30861666667 in words is "thirty billion, eight hundred sixty-one million, six hundred sixty-six thousand, six hundred sixty-seven".