1416545561 has 2 divisors, whose sum is σ = 1416545562. Its totient is φ = 1416545560.

The previous prime is 1416545491. The next prime is 1416545609. The reversal of 1416545561 is 1655456141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1413760000 + 2785561 = 37600^2 + 1669^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416545561 - 2³⁰ = 342803737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1416544561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708272780 + 708272781.

It is an arithmetic number, because the mean of its divisors is an integer number (708272781).

Almost surely, 2^1416545561 is an apocalyptic number.

It is an amenable number.

1416545561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416545561 is an equidigital number, since it uses as much as digits as its factorization.

1416545561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 38.

The square root of 1416545561 is about 37637.0238063532. The cubic root of 1416545561 is about 1123.0786790101.

The spelling of 1416545561 in words is "one billion, four hundred sixteen million, five hundred forty-five thousand, five hundred sixty-one".