90039673666 has 8 divisors (see below), whose sum is σ = 135062706240. Its totient is φ = 45018771588.

The previous prime is 90039673649. The next prime is 90039673687. The reversal of 90039673666 is 66637693009.

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 422406 + ... + 598753.

It is an arithmetic number, because the mean of its divisors is an integer number (16882838280).

Almost surely, 2^90039673666 is an apocalyptic number.

90039673666 is a deficient number, since it is larger than the sum of its proper divisors (45023032574).

90039673666 is a wasteful number, since it uses less digits than its factorization.

90039673666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065248.

The product of its (nonzero) digits is 6613488, while the sum is 55.

The spelling of 90039673666 in words is "ninety billion, thirty-nine million, six hundred seventy-three thousand, six hundred sixty-six".