203872185996 has 12 divisors (see below), whose sum is σ = 475701767352. Its totient is φ = 67957395328.

The previous prime is 203872185967. The next prime is 203872186019. The reversal of 203872185996 is 699581278302.

It is a tau number, because it is divible by the number of its divisors (12).

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, 8494674405 + ... + 8494674428.

It is an arithmetic number, because the mean of its divisors is an integer number (39641813946).

Almost surely, 2^203872185996 is an apocalyptic number.

It is an amenable number.

203872185996 is an abundant number, since it is smaller than the sum of its proper divisors (271829581356).

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

203872185996 is a wasteful number, since it uses less digits than its factorization.

203872185996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16989348840 (or 16989348838 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 203872185996 in words is "two hundred three billion, eight hundred seventy-two million, one hundred eighty-five thousand, nine hundred ninety-six".