203416664 has 16 divisors (see below), whose sum is σ = 416079720. Its totient is φ = 92462080.

The previous prime is 203416651. The next prime is 203416667. The reversal of 203416664 is 466614302.

203416664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203416664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203416667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155689 + ... + 1155864.

Almost surely, 2^203416664 is an apocalyptic number.

It is an amenable number.

203416664 is an abundant number, since it is smaller than the sum of its proper divisors (212663056).

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

203416664 is a wasteful number, since it uses less digits than its factorization.

203416664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311570 (or 2311566 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 203416664 is about 14262.4213932978. The cubic root of 203416664 is about 588.1148910887.

The spelling of 203416664 in words is "two hundred three million, four hundred sixteen thousand, six hundred sixty-four".