201766250651153 has 4 divisors (see below), whose sum is σ = 201766486943268. Its totient is φ = 201766014359040.

The previous prime is 201766250651113. The next prime is 201766250651171. The reversal of 201766250651153 is 351156052667102.

201766250651153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88820220104704 + 112946030546449 = 9424448^2 + 10627607^2 .

It is a cyclic number.

It is not a de Polignac number, because 201766250651153 - 2²⁴ = 201766233873937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201766250651113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116860568 + ... + 118574553.

It is an arithmetic number, because the mean of its divisors is an integer number (50441621735817).

Almost surely, 2^{201766250651153} is an apocalyptic number.

It is an amenable number.

201766250651153 is a deficient number, since it is larger than the sum of its proper divisors (236292115).

201766250651153 is an equidigital number, since it uses as much as digits as its factorization.

201766250651153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236292114.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 201766250651153 in words is "two hundred one trillion, seven hundred sixty-six billion, two hundred fifty million, six hundred fifty-one thousand, one hundred fifty-three".