13178823906 has 16 divisors (see below), whose sum is σ = 26366972544. Its totient is φ = 4391387184.

The previous prime is 13178823901. The next prime is 13178823961. The reversal of 13178823906 is 60932887131.

It is not an unprimeable number, because it can be changed into a prime (13178823901) 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, 370090 + ... + 404133.

It is an arithmetic number, because the mean of its divisors is an integer number (1647935784).

Almost surely, 2^13178823906 is an apocalyptic number.

13178823906 is an abundant number, since it is smaller than the sum of its proper divisors (13188148638).

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

13178823906 is a wasteful number, since it uses less digits than its factorization.

13178823906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777065.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 13178823906 in words is "thirteen billion, one hundred seventy-eight million, eight hundred twenty-three thousand, nine hundred six".