961559456599 has 8 divisors (see below), whose sum is σ = 1098934663680. Its totient is φ = 824186642136.

The previous prime is 961559456573. The next prime is 961559456657. The reversal of 961559456599 is 995654955169.

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 961559456599 - 2⁵ = 961559456567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961559456899) 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, 366822 + ... + 1434460.

It is an arithmetic number, because the mean of its divisors is an integer number (137366832960).

Almost surely, 2^961559456599 is an apocalyptic number.

961559456599 is a deficient number, since it is larger than the sum of its proper divisors (137375207081).

961559456599 is a wasteful number, since it uses less digits than its factorization.

961559456599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196309.

The product of its digits is 590490000, while the sum is 73.

The spelling of 961559456599 in words is "nine hundred sixty-one billion, five hundred fifty-nine million, four hundred fifty-six thousand, five hundred ninety-nine".