203143073066 has 8 divisors (see below), whose sum is σ = 315222010020. Its totient is φ = 98069069728.

The previous prime is 203143072987. The next prime is 203143073083. The reversal of 203143073066 is 660370341302.

It can be written as a sum of positive squares in 2 ways, for example, as 202765587025 + 377486041 = 450295^2 + 19429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751233331 + ... + 1751233446.

Almost surely, 2^203143073066 is an apocalyptic number.

203143073066 is a deficient number, since it is larger than the sum of its proper divisors (112078936954).

203143073066 is a wasteful number, since it uses less digits than its factorization.

203143073066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502466808.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 203143073066 in words is "two hundred three billion, one hundred forty-three million, seventy-three thousand, sixty-six".