10206066553 has 4 divisors (see below), whose sum is σ = 10228205988. Its totient is φ = 10183927120.

The previous prime is 10206066551. The next prime is 10206066571. The reversal of 10206066553 is 35566060201.

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 3073926249 + 7132140304 = 55443^2 + 84452^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206066553 - 2¹ = 10206066551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10206066551) 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, 11069026 + ... + 11069947.

It is an arithmetic number, because the mean of its divisors is an integer number (2557051497).

Almost surely, 2^10206066553 is an apocalyptic number.

It is an amenable number.

10206066553 is a deficient number, since it is larger than the sum of its proper divisors (22139435).

10206066553 is an equidigital number, since it uses as much as digits as its factorization.

10206066553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139434.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 10206066553 in words is "ten billion, two hundred six million, sixty-six thousand, five hundred fifty-three".