846661950047720 has 32 divisors (see below), whose sum is σ = 1904990332089600. Its totient is φ = 338664612111168.

The previous prime is 846661950047717. The next prime is 846661950047737. The reversal of 846661950047720 is 27740059166648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105078077 + ... + 112848243.

It is an arithmetic number, because the mean of its divisors is an integer number (59530947877800).

Almost surely, 2^{846661950047720} is an apocalyptic number.

It is an amenable number.

846661950047720 is an abundant number, since it is smaller than the sum of its proper divisors (1058328382041880).

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

846661950047720 is a wasteful number, since it uses less digits than its factorization.

846661950047720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10494257 (or 10494253 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 846661950047720 in words is "eight hundred forty-six trillion, six hundred sixty-one billion, nine hundred fifty million, forty-seven thousand, seven hundred twenty".