1246323642666 has 32 divisors (see below), whose sum is σ = 2584207983168. Its totient is φ = 400425260160.

The previous prime is 1246323642661. The next prime is 1246323642689. The reversal of 1246323642666 is 6662463236421.

It is not an unprimeable number, because it can be changed into a prime (1246323642661) 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, 30499801 + ... + 30540636.

It is an arithmetic number, because the mean of its divisors is an integer number (80756499474).

Almost surely, 2^{1246323642666} is an apocalyptic number.

1246323642666 is an abundant number, since it is smaller than the sum of its proper divisors (1337884340502).

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

1246323642666 is a wasteful number, since it uses less digits than its factorization.

1246323642666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61040566.

The product of its digits is 8957952, while the sum is 51.

The spelling of 1246323642666 in words is "one trillion, two hundred forty-six billion, three hundred twenty-three million, six hundred forty-two thousand, six hundred sixty-six".