2768463161 has 2 divisors, whose sum is σ = 2768463162. Its totient is φ = 2768463160.

The previous prime is 2768463151. The next prime is 2768463193. The reversal of 2768463161 is 1613648672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2189772025 + 578691136 = 46795^2 + 24056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2768463161 - 2⁶ = 2768463097 is a prime.

It is a super-2 number, since 2×2768463161² = 15328776547628223842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2768463151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384231580 + 1384231581.

It is an arithmetic number, because the mean of its divisors is an integer number (1384231581).

Almost surely, 2^2768463161 is an apocalyptic number.

It is an amenable number.

2768463161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768463161 is an equidigital number, since it uses as much as digits as its factorization.

2768463161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 2768463161 is about 52616.1872525937. The cubic root of 2768463161 is about 1404.1480988746.

The spelling of 2768463161 in words is "two billion, seven hundred sixty-eight million, four hundred sixty-three thousand, one hundred sixty-one".