30666450471616 has 56 divisors (see below), whose sum is σ = 61998959781360. Its totient is φ = 15045865190400.

The previous prime is 30666450471563. The next prime is 30666450471617. The reversal of 30666450471616 is 61617405466603.

It is not an unprimeable number, because it can be changed into a prime (30666450471617) 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, 7737895 + ... + 11009446.

It is an arithmetic number, because the mean of its divisors is an integer number (1107124281810).

Almost surely, 2^{30666450471616} is an apocalyptic number.

It is an amenable number.

30666450471616 is an abundant number, since it is smaller than the sum of its proper divisors (31332509309744).

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

30666450471616 is a wasteful number, since it uses less digits than its factorization.

30666450471616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18747833 (or 18747823 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 30666450471616 in words is "thirty trillion, six hundred sixty-six billion, four hundred fifty million, four hundred seventy-one thousand, six hundred sixteen".