2136066553 has 4 divisors (see below), whose sum is σ = 2136546468. Its totient is φ = 2135586640.

The previous prime is 2136066539. The next prime is 2136066571. The reversal of 2136066553 is 3556606312.

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 1242774009 + 893292544 = 35253^2 + 29888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136066553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136066523) 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, 233218 + ... + 242203.

It is an arithmetic number, because the mean of its divisors is an integer number (534136617).

Almost surely, 2^2136066553 is an apocalyptic number.

It is an amenable number.

2136066553 is a deficient number, since it is larger than the sum of its proper divisors (479915).

2136066553 is an equidigital number, since it uses as much as digits as its factorization.

2136066553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479914.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 2136066553 is about 46217.6000350516. The cubic root of 2136066553 is about 1287.8687145563.

The spelling of 2136066553 in words is "two billion, one hundred thirty-six million, sixty-six thousand, five hundred fifty-three".