90816196597 has 8 divisors (see below), whose sum is σ = 103792015616. Its totient is φ = 77840896752.

The previous prime is 90816196577. The next prime is 90816196619. The reversal of 90816196597 is 79569161809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90816196597 - 2⁷ = 90816196469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90816196517) 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 in 7 ways as a sum of consecutive naturals, for example, 376963 + ... + 568975.

It is an arithmetic number, because the mean of its divisors is an integer number (12974001952).

Almost surely, 2^90816196597 is an apocalyptic number.

It is an amenable number.

90816196597 is a deficient number, since it is larger than the sum of its proper divisors (12975819019).

90816196597 is a wasteful number, since it uses less digits than its factorization.

90816196597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259587.

The product of its (nonzero) digits is 7348320, while the sum is 61.

The spelling of 90816196597 in words is "ninety billion, eight hundred sixteen million, one hundred ninety-six thousand, five hundred ninety-seven".