116421563 has 2 divisors, whose sum is σ = 116421564. Its totient is φ = 116421562.

The previous prime is 116421541. The next prime is 116421587. The reversal of 116421563 is 365124611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116421563 - 2⁸ = 116421307 is a prime.

It is not a weakly prime, because it can be changed into another prime (116421533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58210781 + 58210782.

It is an arithmetic number, because the mean of its divisors is an integer number (58210782).

Almost surely, 2^116421563 is an apocalyptic number.

116421563 is a deficient number, since it is larger than the sum of its proper divisors (1).

116421563 is an equidigital number, since it uses as much as digits as its factorization.

116421563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 116421563 is about 10789.8824368016. The cubic root of 116421563 is about 488.2899756365.

The spelling of 116421563 in words is "one hundred sixteen million, four hundred twenty-one thousand, five hundred sixty-three".