961071578560 has 28 divisors (see below), whose sum is σ = 2288551697208. Its totient is φ = 384428631296.

The previous prime is 961071578543. The next prime is 961071578567. The reversal of 961071578560 is 65875170169.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961071578567) 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, 1501674022 + ... + 1501674661.

It is an arithmetic number, because the mean of its divisors is an integer number (81733989186).

Almost surely, 2^961071578560 is an apocalyptic number.

It is an amenable number.

961071578560 is an abundant number, since it is smaller than the sum of its proper divisors (1327480118648).

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

961071578560 is a wasteful number, since it uses less digits than its factorization.

961071578560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003348700 (or 3003348690 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 961071578560 in words is "nine hundred sixty-one billion, seventy-one million, five hundred seventy-eight thousand, five hundred sixty".