1360616861 has 2 divisors, whose sum is σ = 1360616862. Its totient is φ = 1360616860.

The previous prime is 1360616843. The next prime is 1360616863. The reversal of 1360616861 is 1686160631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1283000761 + 77616100 = 35819^2 + 8810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1360616861 - 2²⁶ = 1293507997 is a prime.

Together with 1360616863, 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 (1360616863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680308430 + 680308431.

It is an arithmetic number, because the mean of its divisors is an integer number (680308431).

Almost surely, 2^1360616861 is an apocalyptic number.

It is an amenable number.

1360616861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1360616861 is an equidigital number, since it uses as much as digits as its factorization.

1360616861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1360616861 is about 36886.5403772162. The cubic root of 1360616861 is about 1108.0991357926.

The spelling of 1360616861 in words is "one billion, three hundred sixty million, six hundred sixteen thousand, eight hundred sixty-one".