845085656416 has 48 divisors (see below), whose sum is σ = 1721566027440. Its totient is φ = 407869862400.

The previous prime is 845085656399. The next prime is 845085656533. The reversal of 845085656416 is 614656580548.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3646930 + ... + 3871726.

It is an arithmetic number, because the mean of its divisors is an integer number (35865958905).

Almost surely, 2^845085656416 is an apocalyptic number.

It is an amenable number.

845085656416 is an abundant number, since it is smaller than the sum of its proper divisors (876480371024).

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

845085656416 is a wasteful number, since it uses less digits than its factorization.

845085656416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228887 (or 228879 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 58.

The spelling of 845085656416 in words is "eight hundred forty-five billion, eighty-five million, six hundred fifty-six thousand, four hundred sixteen".