3061661567 has 2 divisors, whose sum is σ = 3061661568. Its totient is φ = 3061661566.

The previous prime is 3061661557. The next prime is 3061661569. The reversal of 3061661567 is 7651661603.

It is a strong prime.

It is an emirp because it is prime and its reverse (7651661603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3061661567 - 2²⁴ = 3044884351 is a prime.

Together with 3061661569, 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 (3061661569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530830783 + 1530830784.

It is an arithmetic number, because the mean of its divisors is an integer number (1530830784).

Almost surely, 2^3061661567 is an apocalyptic number.

3061661567 is a deficient number, since it is larger than the sum of its proper divisors (1).

3061661567 is an equidigital number, since it uses as much as digits as its factorization.

3061661567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 3061661567 is about 55332.2832259794. The cubic root of 3061661567 is about 1452.0638967333.

The spelling of 3061661567 in words is "three billion, sixty-one million, six hundred sixty-one thousand, five hundred sixty-seven".