201166103243 has 8 divisors (see below), whose sum is σ = 235511535840. Its totient is φ = 168222525120.

The previous prime is 201166103197. The next prime is 201166103311. The reversal of 201166103243 is 342301661102.

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

It is a cyclic number.

It is not a de Polignac number, because 201166103243 - 2¹⁸ = 201165841099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201166105243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350463308 + ... + 350463881.

It is an arithmetic number, because the mean of its divisors is an integer number (29438941980).

Almost surely, 2^201166103243 is an apocalyptic number.

201166103243 is a deficient number, since it is larger than the sum of its proper divisors (34345432597).

201166103243 is an equidigital number, since it uses as much as digits as its factorization.

201166103243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700927237.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 201166103243 its reverse (342301661102), we get a palindrome (543467764345).

The spelling of 201166103243 in words is "two hundred one billion, one hundred sixty-six million, one hundred three thousand, two hundred forty-three".