846118665 has 48 divisors (see below), whose sum is σ = 1683646848. Its totient is φ = 385060608.

The previous prime is 846118633. The next prime is 846118699. The reversal of 846118665 is 566811648.

846118665 is a `hidden beast` number, since 8 + 461 + 186 + 6 + 5 = 666.

It is not a de Polignac number, because 846118665 - 2⁵ = 846118633 is a prime.

It is a super-2 number, since 2×846118665² = 1431833590522764450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 846118665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65589 + ... + 77421.

It is an arithmetic number, because the mean of its divisors is an integer number (35075976).

Almost surely, 2^846118665 is an apocalyptic number.

It is an amenable number.

846118665 is a deficient number, since it is larger than the sum of its proper divisors (837528183).

846118665 is a wasteful number, since it uses less digits than its factorization.

846118665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12078 (or 12075 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 846118665 is about 29088.1189663409. The cubic root of 846118665 is about 945.8242074499.

The spelling of 846118665 in words is "eight hundred forty-six million, one hundred eighteen thousand, six hundred sixty-five".