90659167 has 2 divisors, whose sum is σ = 90659168. Its totient is φ = 90659166.

The previous prime is 90659137. The next prime is 90659171. The reversal of 90659167 is 76195609.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90659167 is a prime.

It is a super-2 number, since 2×90659167² = 16438169122267778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90659117) 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, 45329583 + 45329584.

It is an arithmetic number, because the mean of its divisors is an integer number (45329584).

Almost surely, 2^90659167 is an apocalyptic number.

90659167 is a deficient number, since it is larger than the sum of its proper divisors (1).

90659167 is an equidigital number, since it uses as much as digits as its factorization.

90659167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 90659167 is about 9521.5107519763. The cubic root of 90659167 is about 449.2318863458.

The spelling of 90659167 in words is "ninety million, six hundred fifty-nine thousand, one hundred sixty-seven".