1161323262 has 48 divisors (see below), whose sum is σ = 2747532528. Its totient is φ = 351584640.

The previous prime is 1161323257. The next prime is 1161323281. The reversal of 1161323262 is 2623231611.

1161323262 is a `hidden beast` number, since 1 + 1 + 613 + 23 + 26 + 2 = 666.

1161323262 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281688 + ... + 285780.

It is an arithmetic number, because the mean of its divisors is an integer number (57240261).

Almost surely, 2^1161323262 is an apocalyptic number.

1161323262 is an abundant number, since it is smaller than the sum of its proper divisors (1586209266).

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

1161323262 is a wasteful number, since it uses less digits than its factorization.

1161323262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545 (or 5542 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1161323262 is about 34078.1933500002. The cubic root of 1161323262 is about 1051.1169556156.

Adding to 1161323262 its reverse (2623231611), we get a palindrome (3784554873).

It can be divided in two parts, 1161 and 323262, that added together give a palindrome (324423).

The spelling of 1161323262 in words is "one billion, one hundred sixty-one million, three hundred twenty-three thousand, two hundred sixty-two".