203425545606 has 128 divisors (see below), whose sum is σ = 430192705536. Its totient is φ = 64062647040.

The previous prime is 203425545599. The next prime is 203425545607. The reversal of 203425545606 is 606545524302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203425545607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 723934186 + ... + 723934466.

It is an arithmetic number, because the mean of its divisors is an integer number (3360880512).

Almost surely, 2^203425545606 is an apocalyptic number.

203425545606 is an abundant number, since it is smaller than the sum of its proper divisors (226767159930).

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

203425545606 is a wasteful number, since it uses less digits than its factorization.

203425545606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 203425545606 in words is "two hundred three billion, four hundred twenty-five million, five hundred forty-five thousand, six hundred six".