99966583 has 2 divisors, whose sum is σ = 99966584. Its totient is φ = 99966582.

The previous prime is 99966577. The next prime is 99966589. The reversal of 99966583 is 38566999.

It is a balanced prime because it is at equal distance from previous prime (99966577) and next prime (99966589).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99966583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99966589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49983291 + 49983292.

It is an arithmetic number, because the mean of its divisors is an integer number (49983292).

Almost surely, 2^99966583 is an apocalyptic number.

99966583 is a deficient number, since it is larger than the sum of its proper divisors (1).

99966583 is an equidigital number, since it uses as much as digits as its factorization.

99966583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 55.

The square root of 99966583 is about 9998.3290103897. The cubic root of 99966583 is about 464.1071749430.

The spelling of 99966583 in words is "ninety-nine million, nine hundred sixty-six thousand, five hundred eighty-three".