15816133157 has 8 divisors (see below), whose sum is σ = 17255300832. Its totient is φ = 14377188400.

The previous prime is 15816133153. The next prime is 15816133199. The reversal of 15816133157 is 75133161851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15816133157 - 2² = 15816133153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15816133153) 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, 115523 + ... + 212079.

It is an arithmetic number, because the mean of its divisors is an integer number (2156912604).

Almost surely, 2^15816133157 is an apocalyptic number.

It is an amenable number.

15816133157 is a deficient number, since it is larger than the sum of its proper divisors (1439167675).

15816133157 is a wasteful number, since it uses less digits than its factorization.

15816133157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111459.

The product of its digits is 75600, while the sum is 41.

The spelling of 15816133157 in words is "fifteen billion, eight hundred sixteen million, one hundred thirty-three thousand, one hundred fifty-seven".