961545066912 has 144 divisors (see below), whose sum is σ = 2901614395680. Its totient is φ = 313061075712.

The previous prime is 961545066883. The next prime is 961545066931. The reversal of 961545066912 is 219660545169.

961545066912 is a `hidden beast` number, since 9 + 6 + 1 + 545 + 0 + 6 + 6 + 91 + 2 = 666.

961545066912 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1103487 + ... + 1772222.

It is an arithmetic number, because the mean of its divisors is an integer number (20150099970).

Almost surely, 2^961545066912 is an apocalyptic number.

It is an amenable number.

961545066912 is an abundant number, since it is smaller than the sum of its proper divisors (1940069328768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961545066912 is a wasteful number, since it uses less digits than its factorization.

961545066912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875777 (or 2875757 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 961545066912 in words is "nine hundred sixty-one billion, five hundred forty-five million, sixty-six thousand, nine hundred twelve".