849165126 has 16 divisors (see below), whose sum is σ = 1708751424. Its totient is φ = 281318184.

The previous prime is 849165101. The next prime is 849165139. The reversal of 849165126 is 621561948.

It is a super-2 number, since 2×849165126² = 1442162822429191752, which contains 22 as substring.

It is a Curzon number.

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, 433156 + ... + 435111.

It is an arithmetic number, because the mean of its divisors is an integer number (106796964).

Almost surely, 2^849165126 is an apocalyptic number.

849165126 is an abundant number, since it is smaller than the sum of its proper divisors (859586298).

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

849165126 is a wasteful number, since it uses less digits than its factorization.

849165126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868435.

The product of its digits is 103680, while the sum is 42.

The square root of 849165126 is about 29140.4379857270. The cubic root of 849165126 is about 946.9579984843.

The spelling of 849165126 in words is "eight hundred forty-nine million, one hundred sixty-five thousand, one hundred twenty-six".