846664180358 has 16 divisors (see below), whose sum is σ = 1293674387616. Its totient is φ = 415512128640.

The previous prime is 846664180357. The next prime is 846664180379. The reversal of 846664180358 is 853081466648.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 846664180297 and 846664180306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846664180357) 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, 18162653 + ... + 18209208.

It is an arithmetic number, because the mean of its divisors is an integer number (80854649226).

Almost surely, 2^846664180358 is an apocalyptic number.

846664180358 is a deficient number, since it is larger than the sum of its proper divisors (447010207258).

846664180358 is a wasteful number, since it uses less digits than its factorization.

846664180358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36372079.

The product of its (nonzero) digits is 26542080, while the sum is 59.

The spelling of 846664180358 in words is "eight hundred forty-six billion, six hundred sixty-four million, one hundred eighty thousand, three hundred fifty-eight".