6161886673 has 2 divisors, whose sum is σ = 6161886674. Its totient is φ = 6161886672.

The previous prime is 6161886671. The next prime is 6161886697. The reversal of 6161886673 is 3766881616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5909458129 + 252428544 = 76873^2 + 15888^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161886673 - 2¹ = 6161886671 is a prime.

Together with 6161886671, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6161886673.

It is not a weakly prime, because it can be changed into another prime (6161886671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080943336 + 3080943337.

It is an arithmetic number, because the mean of its divisors is an integer number (3080943337).

Almost surely, 2^6161886673 is an apocalyptic number.

It is an amenable number.

6161886673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161886673 is an equidigital number, since it uses as much as digits as its factorization.

6161886673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 6161886673 is about 78497.6857811745. The cubic root of 6161886673 is about 1833.3184210761.

The spelling of 6161886673 in words is "six billion, one hundred sixty-one million, eight hundred eighty-six thousand, six hundred seventy-three".