2616167861 has 2 divisors, whose sum is σ = 2616167862. Its totient is φ = 2616167860.

The previous prime is 2616167837. The next prime is 2616167863. The reversal of 2616167861 is 1687616162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2281972900 + 334194961 = 47770^2 + 18281^2 .

It is a cyclic number.

It is not a de Polignac number, because 2616167861 - 2⁶ = 2616167797 is a prime.

Together with 2616167863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2616167863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308083930 + 1308083931.

It is an arithmetic number, because the mean of its divisors is an integer number (1308083931).

Almost surely, 2^2616167861 is an apocalyptic number.

It is an amenable number.

2616167861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616167861 is an equidigital number, since it uses as much as digits as its factorization.

2616167861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 2616167861 is about 51148.4883549846. The cubic root of 2616167861 is about 1377.9132258514.

The spelling of 2616167861 in words is "two billion, six hundred sixteen million, one hundred sixty-seven thousand, eight hundred sixty-one".