961606090472 has 8 divisors (see below), whose sum is σ = 1803011419650. Its totient is φ = 480803045232.

The previous prime is 961606090469. The next prime is 961606090477. The reversal of 961606090472 is 274090606169.

It can be written as a sum of positive squares in only one way, i.e., 743847601156 + 217758489316 = 862466^2 + 466646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 961606090472.

It is not an unprimeable number, because it can be changed into a prime (961606090477) 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 as a sum of consecutive naturals, namely, 60100380647 + ... + 60100380662.

Almost surely, 2^961606090472 is an apocalyptic number.

It is an amenable number.

961606090472 is a deficient number, since it is larger than the sum of its proper divisors (841405329178).

961606090472 is a wasteful number, since it uses less digits than its factorization.

961606090472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120200761315 (or 120200761311 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 961606090472 in words is "nine hundred sixty-one billion, six hundred six million, ninety thousand, four hundred seventy-two".