13161210787 has 8 divisors (see below), whose sum is σ = 13291278336. Its totient is φ = 13031556552.

The previous prime is 13161210709. The next prime is 13161210793. The reversal of 13161210787 is 78701216131.

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 13161210787 - 2⁷ = 13161210659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13161210707) 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, 39133 + ... + 166894.

It is an arithmetic number, because the mean of its divisors is an integer number (1661409792).

Almost surely, 2^13161210787 is an apocalyptic number.

13161210787 is a deficient number, since it is larger than the sum of its proper divisors (130067549).

13161210787 is a wasteful number, since it uses less digits than its factorization.

13161210787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206657.

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 13161210787 in words is "thirteen billion, one hundred sixty-one million, two hundred ten thousand, seven hundred eighty-seven".