30343568661 has 24 divisors (see below), whose sum is σ = 50096517120. Its totient is φ = 17337262176.

The previous prime is 30343568657. The next prime is 30343568713. The reversal of 30343568661 is 16686534303.

It is not a de Polignac number, because 30343568661 - 2² = 30343568657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30343568161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704791 + ... + 746603.

It is an arithmetic number, because the mean of its divisors is an integer number (2087354880).

Almost surely, 2^30343568661 is an apocalyptic number.

It is an amenable number.

30343568661 is a deficient number, since it is larger than the sum of its proper divisors (19752948459).

30343568661 is a wasteful number, since it uses less digits than its factorization.

30343568661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53345 (or 53342 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 30343568661 in words is "thirty billion, three hundred forty-three million, five hundred sixty-eight thousand, six hundred sixty-one".