1081183164 has 24 divisors (see below), whose sum is σ = 2526776448. Its totient is φ = 359820720.

The previous prime is 1081183157. The next prime is 1081183171. The reversal of 1081183164 is 4613811801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1081183157) and next prime (1081183171).

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, 63822 + ... + 78965.

It is an arithmetic number, because the mean of its divisors is an integer number (105282352).

Almost surely, 2^1081183164 is an apocalyptic number.

It is an amenable number.

1081183164 is an abundant number, since it is smaller than the sum of its proper divisors (1445593284).

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

1081183164 is a wasteful number, since it uses less digits than its factorization.

1081183164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143425 (or 143423 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1081183164 is about 32881.3497898125. The cubic root of 1081183164 is about 1026.3600946017.

Adding to 1081183164 its reverse (4613811801), we get a palindrome (5694994965).

The spelling of 1081183164 in words is "one billion, eighty-one million, one hundred eighty-three thousand, one hundred sixty-four".