1855333336672 has 24 divisors (see below), whose sum is σ = 3730404265056. Its totient is φ = 907929078912.

The previous prime is 1855333336669. The next prime is 1855333336687. The reversal of 1855333336672 is 2766333335581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616798143 + ... + 616801150.

It is an arithmetic number, because the mean of its divisors is an integer number (155433511044).

Almost surely, 2^{1855333336672} is an apocalyptic number.

It is an amenable number.

1855333336672 is an abundant number, since it is smaller than the sum of its proper divisors (1875070928384).

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

1855333336672 is a wasteful number, since it uses less digits than its factorization.

1855333336672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233599350 (or 1233599342 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 55.

The spelling of 1855333336672 in words is "one trillion, eight hundred fifty-five billion, three hundred thirty-three million, three hundred thirty-six thousand, six hundred seventy-two".