8181152 has 24 divisors (see below), whose sum is σ = 18408096. Its totient is φ = 3506112.

The previous prime is 8181139. The next prime is 8181167. The reversal of 8181152 is 2511818.

8181152 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

8181152 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18038 + ... + 18485.

It is an arithmetic number, because the mean of its divisors is an integer number (767004).

Almost surely, 2^8181152 is an apocalyptic number.

It is an amenable number.

8181152 is an abundant number, since it is smaller than the sum of its proper divisors (10226944).

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

8181152 is a wasteful number, since it uses less digits than its factorization.

8181152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36540 (or 36532 counting only the distinct ones).

The product of its digits is 640, while the sum is 26.

The square root of 8181152 is about 2860.2713158021. The cubic root of 8181152 is about 201.4983467529.

The spelling of 8181152 in words is "eight million, one hundred eighty-one thousand, one hundred fifty-two".