90433163 has 2 divisors, whose sum is σ = 90433164. Its totient is φ = 90433162.

The previous prime is 90433157. The next prime is 90433181. The reversal of 90433163 is 36133409.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90433163 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (90433363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45216581 + 45216582.

It is an arithmetic number, because the mean of its divisors is an integer number (45216582).

Almost surely, 2^90433163 is an apocalyptic number.

90433163 is a deficient number, since it is larger than the sum of its proper divisors (1).

90433163 is an equidigital number, since it uses as much as digits as its factorization.

90433163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 90433163 is about 9509.6352716600. The cubic root of 90433163 is about 448.8582793880.

The spelling of 90433163 in words is "ninety million, four hundred thirty-three thousand, one hundred sixty-three".