203066071 has 32 divisors (see below), whose sum is σ = 241230528. Its totient is φ = 169205760.

The previous prime is 203066069. The next prime is 203066093. The reversal of 203066071 is 170660302.

203066071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203066071 - 2¹ = 203066069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203066021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661300 + ... + 661606.

It is an arithmetic number, because the mean of its divisors is an integer number (7538454).

Almost surely, 2^203066071 is an apocalyptic number.

203066071 is a deficient number, since it is larger than the sum of its proper divisors (38164457).

203066071 is a wasteful number, since it uses less digits than its factorization.

203066071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 203066071 is about 14250.1252976948. The cubic root of 203066071 is about 587.7768205647.

The spelling of 203066071 in words is "two hundred three million, sixty-six thousand, seventy-one".