90665110108331 has 8 divisors (see below), whose sum is σ = 99029651684400. Its totient is φ = 82320945005440.

The previous prime is 90665110108327. The next prime is 90665110108393. The reversal of 90665110108331 is 13380101156609.

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 90665110108331 - 2² = 90665110108327 is a prime.

It is a super-2 number, since 2×90665110108331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90665110108231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5094108986 + ... + 5094126783.

It is an arithmetic number, because the mean of its divisors is an integer number (12378706460550).

Almost surely, 2^{90665110108331} is an apocalyptic number.

90665110108331 is a deficient number, since it is larger than the sum of its proper divisors (8364541576069).

90665110108331 is a wasteful number, since it uses less digits than its factorization.

90665110108331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188236589.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 90665110108331 in words is "ninety trillion, six hundred sixty-five billion, one hundred ten million, one hundred eight thousand, three hundred thirty-one".