6161886687 has 8 divisors (see below), whose sum is σ = 8962744320. Its totient is φ = 3734476760.

The previous prime is 6161886673. The next prime is 6161886697. The reversal of 6161886687 is 7866881616.

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 6161886687 - 2⁴ = 6161886671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161886607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93361887 + ... + 93361952.

It is an arithmetic number, because the mean of its divisors is an integer number (1120343040).

Almost surely, 2^6161886687 is an apocalyptic number.

6161886687 is a deficient number, since it is larger than the sum of its proper divisors (2800857633).

6161886687 is a wasteful number, since it uses less digits than its factorization.

6161886687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186723853.

The product of its digits is 4644864, while the sum is 57.

The square root of 6161886687 is about 78497.6858703491. The cubic root of 6161886687 is about 1833.3184224646.

The spelling of 6161886687 in words is "six billion, one hundred sixty-one million, eight hundred eighty-six thousand, six hundred eighty-seven".