116561633 has 2 divisors, whose sum is σ = 116561634. Its totient is φ = 116561632.

The previous prime is 116561629. The next prime is 116561651. The reversal of 116561633 is 336165611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60730849 + 55830784 = 7793^2 + 7472^2 .

It is a cyclic number.

It is not a de Polignac number, because 116561633 - 2² = 116561629 is a prime.

It is a super-2 number, since 2×116561633² = 27173228575253378, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116561633.

It is not a weakly prime, because it can be changed into another prime (116561693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58280816 + 58280817.

It is an arithmetic number, because the mean of its divisors is an integer number (58280817).

Almost surely, 2^116561633 is an apocalyptic number.

It is an amenable number.

116561633 is a deficient number, since it is larger than the sum of its proper divisors (1).

116561633 is an equidigital number, since it uses as much as digits as its factorization.

116561633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 116561633 is about 10796.3712885395. The cubic root of 116561633 is about 488.4857222096.

The spelling of 116561633 in words is "one hundred sixteen million, five hundred sixty-one thousand, six hundred thirty-three".