30642632666 has 8 divisors (see below), whose sum is σ = 45973085760. Its totient is φ = 15318270748.

The previous prime is 30642632663. The next prime is 30642632681. The reversal of 30642632666 is 66623624603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30642632663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510196 + ... + 1530351.

It is an arithmetic number, because the mean of its divisors is an integer number (5746635720).

Almost surely, 2^30642632666 is an apocalyptic number.

30642632666 is a deficient number, since it is larger than the sum of its proper divisors (15330453094).

30642632666 is a wasteful number, since it uses less digits than its factorization.

30642632666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045588.

The product of its (nonzero) digits is 1119744, while the sum is 44.

The spelling of 30642632666 in words is "thirty billion, six hundred forty-two million, six hundred thirty-two thousand, six hundred sixty-six".