13261666430106 has 24 divisors (see below), whose sum is σ = 29002149019584. Its totient is φ = 4379241873480.

The previous prime is 13261666430081. The next prime is 13261666430107. The reversal of 13261666430106 is 60103466616231.

It is not an unprimeable number, because it can be changed into a prime (13261666430107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3442798290 + ... + 3442802141.

It is an arithmetic number, because the mean of its divisors is an integer number (1208422875816).

Almost surely, 2^{13261666430106} is an apocalyptic number.

13261666430106 is an abundant number, since it is smaller than the sum of its proper divisors (15740482589478).

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

13261666430106 is a wasteful number, since it uses less digits than its factorization.

13261666430106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885600546 (or 6885600543 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 13261666430106 in words is "thirteen trillion, two hundred sixty-one billion, six hundred sixty-six million, four hundred thirty thousand, one hundred six".