203340071906 has 16 divisors (see below), whose sum is σ = 305674581600. Its totient is φ = 101448604320.

The previous prime is 203340071887. The next prime is 203340071933. The reversal of 203340071906 is 609170043302.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11644670 + ... + 11662118.

It is an arithmetic number, because the mean of its divisors is an integer number (19104661350).

Almost surely, 2^203340071906 is an apocalyptic number.

203340071906 is a deficient number, since it is larger than the sum of its proper divisors (102334509694).

203340071906 is a wasteful number, since it uses less digits than its factorization.

203340071906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29809.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 203340071906 in words is "two hundred three billion, three hundred forty million, seventy-one thousand, nine hundred six".