1165746894 has 32 divisors (see below), whose sum is σ = 2513180544. Its totient is φ = 358356960.

The previous prime is 1165746863. The next prime is 1165746929. The reversal of 1165746894 is 4986475611.

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 15 ways as a sum of consecutive naturals, for example, 84957 + ... + 97719.

It is an arithmetic number, because the mean of its divisors is an integer number (78536892).

Almost surely, 2^1165746894 is an apocalyptic number.

1165746894 is an abundant number, since it is smaller than the sum of its proper divisors (1347433650).

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

1165746894 is a wasteful number, since it uses less digits than its factorization.

1165746894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13952.

The product of its digits is 1451520, while the sum is 51.

The square root of 1165746894 is about 34143.0358052707. The cubic root of 1165746894 is about 1052.4498785474.

The spelling of 1165746894 in words is "one billion, one hundred sixty-five million, seven hundred forty-six thousand, eight hundred ninety-four".