845385016 has 16 divisors (see below), whose sum is σ = 1811539440. Its totient is φ = 362307840.

The previous prime is 845385011. The next prime is 845385017. The reversal of 845385016 is 610583548.

It is a self number, because there is not a number n which added to its sum of digits gives 845385016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845385011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7548025 + ... + 7548136.

It is an arithmetic number, because the mean of its divisors is an integer number (113221215).

Almost surely, 2^845385016 is an apocalyptic number.

It is an amenable number.

845385016 is an abundant number, since it is smaller than the sum of its proper divisors (966154424).

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

845385016 is a wasteful number, since it uses less digits than its factorization.

845385016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15096174 (or 15096170 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 845385016 is about 29075.5054298287. The cubic root of 845385016 is about 945.5507613149.

The spelling of 845385016 in words is "eight hundred forty-five million, three hundred eighty-five thousand, sixteen".