6161386913 has 12 divisors (see below), whose sum is σ = 6779399424. Its totient is φ = 5595499800.

The previous prime is 6161386909. The next prime is 6161386919. The reversal of 6161386913 is 3196831616.

It is not a de Polignac number, because 6161386913 - 2² = 6161386909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6161386919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94220 + ... + 145602.

It is an arithmetic number, because the mean of its divisors is an integer number (564949952).

Almost surely, 2^6161386913 is an apocalyptic number.

It is an amenable number.

6161386913 is a deficient number, since it is larger than the sum of its proper divisors (618012511).

6161386913 is a wasteful number, since it uses less digits than its factorization.

6161386913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52396 (or 52385 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 6161386913 is about 78494.5024380689. The cubic root of 6161386913 is about 1833.2688559546.

The spelling of 6161386913 in words is "six billion, one hundred sixty-one million, three hundred eighty-six thousand, nine hundred thirteen".