6666051060650 has 24 divisors (see below), whose sum is σ = 12399073036140. Its totient is φ = 2666373528960.

The previous prime is 6666051060601. The next prime is 6666051060677. The reversal of 6666051060650 is 560601506666.

It can be written as a sum of positive squares in 6 ways, for example, as 1439738411881 + 5226312648769 = 1199891^2 + 2286113^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6666051060595 and 6666051060604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1772222 + ... + 4058678.

Almost surely, 2^{6666051060650} is an apocalyptic number.

6666051060650 is a deficient number, since it is larger than the sum of its proper divisors (5733021975490).

6666051060650 is a wasteful number, since it uses less digits than its factorization.

6666051060650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344778 (or 2344773 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 6666051060650 in words is "six trillion, six hundred sixty-six billion, fifty-one million, sixty thousand, six hundred fifty".