659143204991 has 8 divisors (see below), whose sum is σ = 692182510944. Its totient is φ = 626468974560.

The previous prime is 659143204969. The next prime is 659143205033. The reversal of 659143204991 is 199402341956.

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 659143204991 - 2¹⁰ = 659143203967 is a prime.

It is a super-3 number, since 3×659143204991³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659143204901) 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, 91265180 + ... + 91272401.

It is an arithmetic number, because the mean of its divisors is an integer number (86522813868).

Almost surely, 2^659143204991 is an apocalyptic number.

659143204991 is a deficient number, since it is larger than the sum of its proper divisors (33039305953).

659143204991 is a wasteful number, since it uses less digits than its factorization.

659143204991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182537761.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 659143204991 in words is "six hundred fifty-nine billion, one hundred forty-three million, two hundred four thousand, nine hundred ninety-one".