30345660816 has 80 divisors (see below), whose sum is σ = 78685154304. Its totient is φ = 10077604992.

The previous prime is 30345660781. The next prime is 30345660833. The reversal of 30345660816 is 61806654303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23288421 + ... + 23289723.

Almost surely, 2^30345660816 is an apocalyptic number.

It is an amenable number.

30345660816 is an abundant number, since it is smaller than the sum of its proper divisors (48339493488).

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

30345660816 is a wasteful number, since it uses less digits than its factorization.

30345660816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2742 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 30345660816 in words is "thirty billion, three hundred forty-five million, six hundred sixty thousand, eight hundred sixteen".