846384064540551 has 48 divisors (see below), whose sum is σ = 1284203038390272. Its totient is φ = 536129925408000.

The previous prime is 846384064540537. The next prime is 846384064540561. The reversal of 846384064540551 is 155045460483648.

846384064540551 is a `hidden beast` number, since 8 + 4 + 6 + 3 + 84 + 0 + 6 + 4 + 540 + 5 + 5 + 1 = 666.

It is not a de Polignac number, because 846384064540551 - 2¹⁵ = 846384064507783 is a prime.

It is a Smith number, since the sum of its digits (63) 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 (846384064540561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 913210191 + ... + 914136543.

It is an arithmetic number, because the mean of its divisors is an integer number (26754229966464).

Almost surely, 2^{846384064540551} is an apocalyptic number.

846384064540551 is a deficient number, since it is larger than the sum of its proper divisors (437818973849721).

846384064540551 is a wasteful number, since it uses less digits than its factorization.

846384064540551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955764 (or 955761 counting only the distinct ones).

The product of its (nonzero) digits is 221184000, while the sum is 63.

The spelling of 846384064540551 in words is "eight hundred forty-six trillion, three hundred eighty-four billion, sixty-four million, five hundred forty thousand, five hundred fifty-one".