961593100556 has 48 divisors (see below), whose sum is σ = 1918974382080. Its totient is φ = 417633840000.

The previous prime is 961593100547. The next prime is 961593100577. The reversal of 961593100556 is 655001395169.

It is a happy number.

It is a super-2 number, since 2×961593100556² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4354145 + ... + 4569656.

It is an arithmetic number, because the mean of its divisors is an integer number (39978632960).

Almost surely, 2^961593100556 is an apocalyptic number.

It is an amenable number.

961593100556 is a deficient number, since it is larger than the sum of its proper divisors (957381281524).

961593100556 is a wasteful number, since it uses less digits than its factorization.

961593100556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923926 (or 8923924 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 50.

The spelling of 961593100556 in words is "nine hundred sixty-one billion, five hundred ninety-three million, one hundred thousand, five hundred fifty-six".