90105148822 has 16 divisors (see below), whose sum is σ = 148651376832. Its totient is φ = 40702161600.

The previous prime is 90105148799. The next prime is 90105148843. The reversal of 90105148822 is 22884150109.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36866679 + ... + 36869122.

It is an arithmetic number, because the mean of its divisors is an integer number (9290711052).

Almost surely, 2^90105148822 is an apocalyptic number.

90105148822 is a deficient number, since it is larger than the sum of its proper divisors (58546228010).

90105148822 is a wasteful number, since it uses less digits than its factorization.

90105148822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73735863.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 90105148822 in words is "ninety billion, one hundred five million, one hundred forty-eight thousand, eight hundred twenty-two".