850163964 has 72 divisors (see below), whose sum is σ = 2217503232. Its totient is φ = 253131840.

The previous prime is 850163959. The next prime is 850163983. The reversal of 850163964 is 469361058.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 56107 + ... + 69629.

It is an arithmetic number, because the mean of its divisors is an integer number (30798656).

Almost surely, 2^850163964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850163964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108751616).

850163964 is an abundant number, since it is smaller than the sum of its proper divisors (1367339268).

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

850163964 is a wasteful number, since it uses less digits than its factorization.

850163964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13587 (or 13572 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 850163964 is about 29157.5712980351. The cubic root of 850163964 is about 947.3291422461.

The spelling of 850163964 in words is "eight hundred fifty million, one hundred sixty-three thousand, nine hundred sixty-four".