818852742201 has 16 divisors (see below), whose sum is σ = 1188999665280. Its totient is φ = 498247474560.

The previous prime is 818852742163. The next prime is 818852742217. The reversal of 818852742201 is 102247258818.

It is not a de Polignac number, because 818852742201 - 2¹⁸ = 818852480057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (818852742241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117952845 + ... + 117959786.

It is an arithmetic number, because the mean of its divisors is an integer number (74312479080).

Almost surely, 2^818852742201 is an apocalyptic number.

It is an amenable number.

818852742201 is a deficient number, since it is larger than the sum of its proper divisors (370146923079).

818852742201 is a wasteful number, since it uses less digits than its factorization.

818852742201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235912736.

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 818852742201 in words is "eight hundred eighteen billion, eight hundred fifty-two million, seven hundred forty-two thousand, two hundred one".