131166003365 has 8 divisors (see below), whose sum is σ = 157439472768. Its totient is φ = 104905956880.

The previous prime is 131166003349. The next prime is 131166003389. The reversal of 131166003365 is 563300661131.

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

It is not a de Polignac number, because 131166003365 - 2⁴ = 131166003349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3334217 + ... + 3373326.

It is an arithmetic number, because the mean of its divisors is an integer number (19679934096).

Almost surely, 2^131166003365 is an apocalyptic number.

It is an amenable number.

131166003365 is a deficient number, since it is larger than the sum of its proper divisors (26273469403).

131166003365 is an equidigital number, since it uses as much as digits as its factorization.

131166003365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711459.

The product of its (nonzero) digits is 29160, while the sum is 35.

Adding to 131166003365 its reverse (563300661131), we get a palindrome (694466664496).

The spelling of 131166003365 in words is "one hundred thirty-one billion, one hundred sixty-six million, three thousand, three hundred sixty-five".