6660697813930 has 8 divisors (see below), whose sum is σ = 11989256065092. Its totient is φ = 2664279125568.

The previous prime is 6660697813867. The next prime is 6660697813943. The reversal of 6660697813930 is 393187960666.

It can be written as a sum of positive squares in 2 ways, for example, as 6117356342241 + 543341471689 = 2473329^2 + 737117^2 .

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, 333034890687 + ... + 333034890706.

Almost surely, 2^{6660697813930} is an apocalyptic number.

6660697813930 is a deficient number, since it is larger than the sum of its proper divisors (5328558251162).

6660697813930 is a wasteful number, since it uses less digits than its factorization.

6660697813930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666069781400.

The product of its (nonzero) digits is 52907904, while the sum is 64.

The spelling of 6660697813930 in words is "six trillion, six hundred sixty billion, six hundred ninety-seven million, eight hundred thirteen thousand, nine hundred thirty".