30945166867 has 16 divisors (see below), whose sum is σ = 33131865600. Its totient is φ = 28817549280.

The previous prime is 30945166831. The next prime is 30945166873. The reversal of 30945166867 is 76866154903.

It is not a de Polignac number, because 30945166867 - 2¹¹ = 30945164819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30945166807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295317 + ... + 386137.

It is an arithmetic number, because the mean of its divisors is an integer number (2070741600).

Almost surely, 2^30945166867 is an apocalyptic number.

30945166867 is a deficient number, since it is larger than the sum of its proper divisors (2186698733).

30945166867 is a wasteful number, since it uses less digits than its factorization.

30945166867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91146.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 30945166867 in words is "thirty billion, nine hundred forty-five million, one hundred sixty-six thousand, eight hundred sixty-seven".