659953186559 has 4 divisors (see below), whose sum is σ = 659955017904. Its totient is φ = 659951355216.

The previous prime is 659953186531. The next prime is 659953186589. The reversal of 659953186559 is 955681359956.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 659953186559 - 2⁸ = 659953186303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 659953186492 and 659953186501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659953186589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175907 + ... + 1162260.

It is an arithmetic number, because the mean of its divisors is an integer number (164988754476).

Almost surely, 2^659953186559 is an apocalyptic number.

659953186559 is a deficient number, since it is larger than the sum of its proper divisors (1831345).

659953186559 is a wasteful number, since it uses less digits than its factorization.

659953186559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831344.

The product of its digits is 393660000, while the sum is 71.

The spelling of 659953186559 in words is "six hundred fifty-nine billion, nine hundred fifty-three million, one hundred eighty-six thousand, five hundred fifty-nine".