851167026 has 96 divisors (see below), whose sum is σ = 1989187200. Its totient is φ = 262386432.

The previous prime is 851167021. The next prime is 851167027. The reversal of 851167026 is 620761158.

It is a super-2 number, since 2×851167026² = 1448970612299369352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (851167021) by changing a digit.

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, 2438700 + ... + 2439048.

It is an arithmetic number, because the mean of its divisors is an integer number (20720700).

Almost surely, 2^851167026 is an apocalyptic number.

851167026 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 851167026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994593600).

851167026 is an abundant number, since it is smaller than the sum of its proper divisors (1138020174).

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

851167026 is a wasteful number, since it uses less digits than its factorization.

851167026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 851167026 is about 29174.7669399432. The cubic root of 851167026 is about 947.7015631127.

The spelling of 851167026 in words is "eight hundred fifty-one million, one hundred sixty-seven thousand, twenty-six".