8199099181 has 8 divisors (see below), whose sum is σ = 10091199104. Its totient is φ = 6487199280.

The previous prime is 8199099173. The next prime is 8199099217. The reversal of 8199099181 is 1819909918.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8199099181 - 2³ = 8199099173 is a prime.

It is a super-2 number, since 2×8199099181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8199099131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45049905 + ... + 45050086.

It is an arithmetic number, because the mean of its divisors is an integer number (1261399888).

Almost surely, 2^8199099181 is an apocalyptic number.

It is an amenable number.

8199099181 is a deficient number, since it is larger than the sum of its proper divisors (1892099923).

8199099181 is a wasteful number, since it uses less digits than its factorization.

8199099181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90100011.

The product of its (nonzero) digits is 419904, while the sum is 55.

The square root of 8199099181 is about 90548.8773039180. The cubic root of 8199099181 is about 2016.4558299023.

The spelling of 8199099181 in words is "eight billion, one hundred ninety-nine million, ninety-nine thousand, one hundred eighty-one".