961654660 has 12 divisors (see below), whose sum is σ = 2019474828. Its totient is φ = 384661856.

The previous prime is 961654651. The next prime is 961654667. The reversal of 961654660 is 66456169.

961654660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 530012484 + 431642176 = 23022^2 + 20776^2 .

It is not an unprimeable number, because it can be changed into a prime (961654667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24041347 + ... + 24041386.

It is an arithmetic number, because the mean of its divisors is an integer number (168289569).

Almost surely, 2^961654660 is an apocalyptic number.

It is an amenable number.

961654660 is an abundant number, since it is smaller than the sum of its proper divisors (1057820168).

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

961654660 is a wasteful number, since it uses less digits than its factorization.

961654660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48082742 (or 48082740 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 961654660 is about 31010.5572345935. The cubic root of 961654660 is about 987.0512742023.

The spelling of 961654660 in words is "nine hundred sixty-one million, six hundred fifty-four thousand, six hundred sixty".