849335896656 has 120 divisors (see below), whose sum is σ = 2560170904200. Its totient is φ = 261296667648.

The previous prime is 849335896631. The next prime is 849335896667. The reversal of 849335896656 is 656698533948.

849335896656 is a `hidden beast` number, since 8 + 4 + 9 + 33 + 589 + 6 + 6 + 5 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1978826256 + 847357070400 = 44484^2 + 920520^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14851990 + ... + 14909066.

It is an arithmetic number, because the mean of its divisors is an integer number (21334757535).

Almost surely, 2^849335896656 is an apocalyptic number.

It is an amenable number.

849335896656 is an abundant number, since it is smaller than the sum of its proper divisors (1710835007544).

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

849335896656 is a wasteful number, since it uses less digits than its factorization.

849335896656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65053 (or 65044 counting only the distinct ones).

The product of its digits is 1007769600, while the sum is 72.

The spelling of 849335896656 in words is "eight hundred forty-nine billion, three hundred thirty-five million, eight hundred ninety-six thousand, six hundred fifty-six".