30690660506 has 8 divisors (see below), whose sum is σ = 50221080864. Its totient is φ = 13950300220.

The previous prime is 30690660491. The next prime is 30690660523. The reversal of 30690660506 is 60506609603.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697514990 + ... + 697515033.

It is an arithmetic number, because the mean of its divisors is an integer number (6277635108).

Almost surely, 2^30690660506 is an apocalyptic number.

30690660506 is a deficient number, since it is larger than the sum of its proper divisors (19530420358).

30690660506 is a wasteful number, since it uses less digits than its factorization.

30690660506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395030036.

The product of its (nonzero) digits is 174960, while the sum is 41.

It can be divided in two parts, 30690 and 660506, that added together give a palindrome (691196).

The spelling of 30690660506 in words is "thirty billion, six hundred ninety million, six hundred sixty thousand, five hundred six".