203064326263661 has 32 divisors (see below), whose sum is σ = 213115370485248. Its totient is φ = 193300143482880.

The previous prime is 203064326263607. The next prime is 203064326263703. The reversal of 203064326263661 is 166362623460302.

It is a happy number.

203064326263661 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 203064326263661 - 2²⁶ = 203064259154797 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 (203064326266661) 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, 259764161 + ... + 260544713.

It is an arithmetic number, because the mean of its divisors is an integer number (6659855327664).

Almost surely, 2^{203064326263661} is an apocalyptic number.

It is an amenable number.

203064326263661 is a deficient number, since it is larger than the sum of its proper divisors (10051044221587).

203064326263661 is a wasteful number, since it uses less digits than its factorization.

203064326263661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781421.

The product of its (nonzero) digits is 6718464, while the sum is 50.

The spelling of 203064326263661 in words is "two hundred three trillion, sixty-four billion, three hundred twenty-six million, two hundred sixty-three thousand, six hundred sixty-one".