6109161687 has 6 divisors (see below), whose sum is σ = 8824344672. Its totient is φ = 4072774452.

The previous prime is 6109161679. The next prime is 6109161697. The reversal of 6109161687 is 7861619016.

6109161687 is a `hidden beast` number, since 610 + 9 + 16 + 16 + 8 + 7 = 666.

It is not a de Polignac number, because 6109161687 - 2³ = 6109161679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6109161607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339397863 + ... + 339397880.

It is an arithmetic number, because the mean of its divisors is an integer number (1470724112).

Almost surely, 2^6109161687 is an apocalyptic number.

6109161687 is a deficient number, since it is larger than the sum of its proper divisors (2715182985).

6109161687 is a wasteful number, since it uses less digits than its factorization.

6109161687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678795749 (or 678795746 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 6109161687 is about 78161.1264440323. The cubic root of 6109161687 is about 1828.0744262424.

The spelling of 6109161687 in words is "six billion, one hundred nine million, one hundred sixty-one thousand, six hundred eighty-seven".