1868552457872 has 40 divisors (see below), whose sum is σ = 3708816183072. Its totient is φ = 911441004800.

The previous prime is 1868552457859. The next prime is 1868552457883. The reversal of 1868552457872 is 2787542558681.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14569547 + ... + 14697237.

Almost surely, 2^{1868552457872} is an apocalyptic number.

It is an amenable number.

1868552457872 is a deficient number, since it is larger than the sum of its proper divisors (1840263725200).

1868552457872 is a wasteful number, since it uses less digits than its factorization.

1868552457872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150047 (or 150041 counting only the distinct ones).

The product of its digits is 301056000, while the sum is 68.

The spelling of 1868552457872 in words is "one trillion, eight hundred sixty-eight billion, five hundred fifty-two million, four hundred fifty-seven thousand, eight hundred seventy-two".