6161415157 has 2 divisors, whose sum is σ = 6161415158. Its totient is φ = 6161415156.

The previous prime is 6161415151. The next prime is 6161415187. The reversal of 6161415157 is 7515141616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4575304881 + 1586110276 = 67641^2 + 39826^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161415157 - 2³ = 6161415149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6161415151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080707578 + 3080707579.

It is an arithmetic number, because the mean of its divisors is an integer number (3080707579).

Almost surely, 2^6161415157 is an apocalyptic number.

It is an amenable number.

6161415157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161415157 is an equidigital number, since it uses as much as digits as its factorization.

6161415157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 37.

The square root of 6161415157 is about 78494.6823485515. The cubic root of 6161415157 is about 1833.2716572052.

The spelling of 6161415157 in words is "six billion, one hundred sixty-one million, four hundred fifteen thousand, one hundred fifty-seven".