13247066157 has 16 divisors (see below), whose sum is σ = 19024410048. Its totient is φ = 8150762880.

The previous prime is 13247066149. The next prime is 13247066167. The reversal of 13247066157 is 75166074231.

It is a happy number.

It is not a de Polignac number, because 13247066157 - 2³ = 13247066149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247066117) 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, 266113 + ... + 311945.

It is an arithmetic number, because the mean of its divisors is an integer number (1189025628).

Almost surely, 2^13247066157 is an apocalyptic number.

It is an amenable number.

13247066157 is a deficient number, since it is larger than the sum of its proper divisors (5777343891).

13247066157 is a wasteful number, since it uses less digits than its factorization.

13247066157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53260.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 13247066157 in words is "thirteen billion, two hundred forty-seven million, sixty-six thousand, one hundred fifty-seven".