1146534661 has 2 divisors, whose sum is σ = 1146534662. Its totient is φ = 1146534660.

The previous prime is 1146534643. The next prime is 1146534667. The reversal of 1146534661 is 1664356411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109556100 + 36978561 = 33310^2 + 6081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146534661 - 2⁷ = 1146534533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1146534661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146534667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573267330 + 573267331.

It is an arithmetic number, because the mean of its divisors is an integer number (573267331).

Almost surely, 2^1146534661 is an apocalyptic number.

It is an amenable number.

1146534661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146534661 is an equidigital number, since it uses as much as digits as its factorization.

1146534661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 1146534661 is about 33860.5177308322. The cubic root of 1146534661 is about 1046.6361467000.

The spelling of 1146534661 in words is "one billion, one hundred forty-six million, five hundred thirty-four thousand, six hundred sixty-one".