203666350116 has 24 divisors (see below), whose sum is σ = 479926649664. Its totient is φ = 67216616800.

The previous prime is 203666350093. The next prime is 203666350117. The reversal of 203666350116 is 611053666302.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (203666350117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84019560 + ... + 84021983.

It is an arithmetic number, because the mean of its divisors is an integer number (19996943736).

Almost surely, 2^203666350116 is an apocalyptic number.

It is an amenable number.

203666350116 is an abundant number, since it is smaller than the sum of its proper divisors (276260299548).

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

203666350116 is a wasteful number, since it uses less digits than its factorization.

203666350116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168041651 (or 168041649 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 203666350116 in words is "two hundred three billion, six hundred sixty-six million, three hundred fifty thousand, one hundred sixteen".