66231095883999 has 8 divisors (see below), whose sum is σ = 88308218473392. Its totient is φ = 44154018608640.

The previous prime is 66231095883989. The next prime is 66231095884021. The reversal of 66231095883999 is 99938859013266.

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

It is not a de Polignac number, because 66231095883999 - 2⁹ = 66231095883487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66231095883949) 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, 7757272 + ... + 13879389.

It is an arithmetic number, because the mean of its divisors is an integer number (11038527309174).

Almost surely, 2^{66231095883999} is an apocalyptic number.

66231095883999 is a deficient number, since it is larger than the sum of its proper divisors (22077122589393).

66231095883999 is a wasteful number, since it uses less digits than its factorization.

66231095883999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22657017.

The product of its (nonzero) digits is 1360488960, while the sum is 78.

The spelling of 66231095883999 in words is "sixty-six trillion, two hundred thirty-one billion, ninety-five million, eight hundred eighty-three thousand, nine hundred ninety-nine".