961680361 has 8 divisors (see below), whose sum is σ = 1020349440. Its totient is φ = 903244608.

The previous prime is 961680359. The next prime is 961680373. The reversal of 961680361 is 163086169.

961680361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 961680361 - 2¹ = 961680359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961680341) 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, 49801 + ... + 66358.

It is an arithmetic number, because the mean of its divisors is an integer number (127543680).

Almost surely, 2^961680361 is an apocalyptic number.

It is an amenable number.

961680361 is a deficient number, since it is larger than the sum of its proper divisors (58669079).

961680361 is a wasteful number, since it uses less digits than its factorization.

961680361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116663.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 961680361 is about 31010.9716229595. The cubic root of 961680361 is about 987.0600673724.

The spelling of 961680361 in words is "nine hundred sixty-one million, six hundred eighty thousand, three hundred sixty-one".