90164351 has 2 divisors, whose sum is σ = 90164352. Its totient is φ = 90164350.

The previous prime is 90164317. The next prime is 90164353. The reversal of 90164351 is 15346109.

It is a strong prime.

It is an emirp because it is prime and its reverse (15346109) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90164351 is a prime.

It is a super-2 number, since 2×90164351² = 16259220382502402, which contains 22 as substring.

Together with 90164353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90164353) 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, 45082175 + 45082176.

It is an arithmetic number, because the mean of its divisors is an integer number (45082176).

Almost surely, 2^90164351 is an apocalyptic number.

90164351 is a deficient number, since it is larger than the sum of its proper divisors (1).

90164351 is an equidigital number, since it uses as much as digits as its factorization.

90164351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 90164351 is about 9495.4910878796. The cubic root of 90164351 is about 448.4130952033.

The spelling of 90164351 in words is "ninety million, one hundred sixty-four thousand, three hundred fifty-one".