8010868181 has 4 divisors (see below), whose sum is σ = 8051124000. Its totient is φ = 7970612364.

The previous prime is 8010868147. The next prime is 8010868183. The reversal of 8010868181 is 1818680108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8010868181 - 2¹⁰ = 8010867157 is a prime.

It is a super-2 number, since 2×8010868181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8010868183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20127611 + ... + 20128008.

It is an arithmetic number, because the mean of its divisors is an integer number (2012781000).

Almost surely, 2^8010868181 is an apocalyptic number.

It is an amenable number.

8010868181 is a deficient number, since it is larger than the sum of its proper divisors (40255819).

8010868181 is a wasteful number, since it uses less digits than its factorization.

8010868181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40255818.

The product of its (nonzero) digits is 24576, while the sum is 41.

The square root of 8010868181 is about 89503.4534585119. The cubic root of 8010868181 is about 2000.9052719295.

The spelling of 8010868181 in words is "eight billion, ten million, eight hundred sixty-eight thousand, one hundred eighty-one".