203347201916 has 24 divisors (see below), whose sum is σ = 371405237280. Its totient is φ = 97233219072.

The previous prime is 203347201789. The next prime is 203347201919. The reversal of 203347201916 is 619102743302.

It is a self number, because there is not a number n which added to its sum of digits gives 203347201916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203347201919) 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, 234740 + ... + 679556.

It is an arithmetic number, because the mean of its divisors is an integer number (15475218220).

Almost surely, 2^203347201916 is an apocalyptic number.

It is an amenable number.

203347201916 is a deficient number, since it is larger than the sum of its proper divisors (168058035364).

203347201916 is a wasteful number, since it uses less digits than its factorization.

203347201916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449813 (or 449811 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 203347201916 in words is "two hundred three billion, three hundred forty-seven million, two hundred one thousand, nine hundred sixteen".