12408340566 has 16 divisors (see below), whose sum is σ = 24818310000. Its totient is φ = 4135842048.

The previous prime is 12408340561. The next prime is 12408340597. The reversal of 12408340566 is 66504380421.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408340561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45810 + ... + 164058.

It is an arithmetic number, because the mean of its divisors is an integer number (1551144375).

Almost surely, 2^12408340566 is an apocalyptic number.

12408340566 is an abundant number, since it is smaller than the sum of its proper divisors (12409969434).

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

12408340566 is a wasteful number, since it uses less digits than its factorization.

12408340566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135743.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 12408340566 in words is "twelve billion, four hundred eight million, three hundred forty thousand, five hundred sixty-six".