2656146161 has 2 divisors, whose sum is σ = 2656146162. Its totient is φ = 2656146160.

The previous prime is 2656146151. The next prime is 2656146167. The reversal of 2656146161 is 1616416562.

It is a happy number.

2656146161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2648131600 + 8014561 = 51460^2 + 2831^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656146161 - 2³⁰ = 1582404337 is a prime.

It is a super-2 number, since 2×2656146161² = 14110224857190075842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2656146167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328073080 + 1328073081.

It is an arithmetic number, because the mean of its divisors is an integer number (1328073081).

Almost surely, 2^2656146161 is an apocalyptic number.

It is an amenable number.

2656146161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656146161 is an equidigital number, since it uses as much as digits as its factorization.

2656146161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 2656146161 is about 51537.8129241046. The cubic root of 2656146161 is about 1384.8965174413.

The spelling of 2656146161 in words is "two billion, six hundred fifty-six million, one hundred forty-six thousand, one hundred sixty-one".