18867052848 has 80 divisors (see below), whose sum is σ = 57499621376. Its totient is φ = 5216693760.

The previous prime is 18867052847. The next prime is 18867052859. The reversal of 18867052848 is 84825076881.

It is a super-2 number, since 2×18867052848² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18867052847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895261 + ... + 916092.

Almost surely, 2^18867052848 is an apocalyptic number.

It is an amenable number.

18867052848 is an abundant number, since it is smaller than the sum of its proper divisors (38632568528).

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

18867052848 is a wasteful number, since it uses less digits than its factorization.

18867052848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811402 (or 1811396 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 57.

The spelling of 18867052848 in words is "eighteen billion, eight hundred sixty-seven million, fifty-two thousand, eight hundred forty-eight".