18882091330 has 8 divisors (see below), whose sum is σ = 33987764412. Its totient is φ = 7552836528.

The previous prime is 18882091303. The next prime is 18882091381. The reversal of 18882091330 is 3319028881.

It can be written as a sum of positive squares in 2 ways, for example, as 18838386009 + 43705321 = 137253^2 + 6611^2 .

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

It is a super-2 number, since 2×18882091330² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 944104557 + ... + 944104576.

Almost surely, 2^18882091330 is an apocalyptic number.

18882091330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18882091330 is a deficient number, since it is larger than the sum of its proper divisors (15105673082).

18882091330 is a wasteful number, since it uses less digits than its factorization.

18882091330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888209140.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 18882091330 in words is "eighteen billion, eight hundred eighty-two million, ninety-one thousand, three hundred thirty".