99170663 has 2 divisors, whose sum is σ = 99170664. Its totient is φ = 99170662.

The previous prime is 99170651. The next prime is 99170713. The reversal of 99170663 is 36607199.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99170663 - 2⁴ = 99170647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99170663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99170623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49585331 + 49585332.

It is an arithmetic number, because the mean of its divisors is an integer number (49585332).

Almost surely, 2^99170663 is an apocalyptic number.

99170663 is a deficient number, since it is larger than the sum of its proper divisors (1).

99170663 is an equidigital number, since it uses as much as digits as its factorization.

99170663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 99170663 is about 9958.4468166477. The cubic root of 99170663 is about 462.8721726028.

The spelling of 99170663 in words is "ninety-nine million, one hundred seventy thousand, six hundred sixty-three".