30666330552 has 64 divisors (see below), whose sum is σ = 90068952960. Its totient is φ = 8577993600.

The previous prime is 30666330547. The next prime is 30666330553. The reversal of 30666330552 is 25503366603.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 30666330552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30666330553) 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, 4464274 + ... + 4471137.

It is an arithmetic number, because the mean of its divisors is an integer number (1407327390).

Almost surely, 2^30666330552 is an apocalyptic number.

It is an amenable number.

30666330552 is an abundant number, since it is smaller than the sum of its proper divisors (59402622408).

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

30666330552 is a wasteful number, since it uses less digits than its factorization.

30666330552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935444 (or 8935440 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 39.

The spelling of 30666330552 in words is "thirty billion, six hundred sixty-six million, three hundred thirty thousand, five hundred fifty-two".