13625243166 has 16 divisors (see below), whose sum is σ = 27267254784. Its totient is φ = 4538952984.

The previous prime is 13625243153. The next prime is 13625243167. The reversal of 13625243166 is 66134252631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625243167) 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, 688110 + ... + 707633.

It is an arithmetic number, because the mean of its divisors is an integer number (1704203424).

Almost surely, 2^13625243166 is an apocalyptic number.

13625243166 is an abundant number, since it is smaller than the sum of its proper divisors (13642011618).

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

13625243166 is a wasteful number, since it uses less digits than its factorization.

13625243166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397375.

The product of its digits is 155520, while the sum is 39.

Adding to 13625243166 its reverse (66134252631), we get a palindrome (79759495797).

The spelling of 13625243166 in words is "thirteen billion, six hundred twenty-five million, two hundred forty-three thousand, one hundred sixty-six".