30391968966 has 64 divisors (see below), whose sum is σ = 65030016000. Its totient is φ = 9441121536.

The previous prime is 30391968961. The next prime is 30391968967. The reversal of 30391968966 is 66986919303.

30391968966 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30391968961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3299235 + ... + 3308433.

It is an arithmetic number, because the mean of its divisors is an integer number (1016094000).

Almost surely, 2^30391968966 is an apocalyptic number.

30391968966 is an abundant number, since it is smaller than the sum of its proper divisors (34638047034).

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

30391968966 is a wasteful number, since it uses less digits than its factorization.

30391968966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9693.

The product of its (nonzero) digits is 11337408, while the sum is 60.

The spelling of 30391968966 in words is "thirty billion, three hundred ninety-one million, nine hundred sixty-eight thousand, nine hundred sixty-six".