26900264169 has 27 divisors (see below), whose sum is σ = 40635872823. Its totient is φ = 17146575072.

The previous prime is 26900264119. The next prime is 26900264173. The reversal of 26900264169 is 96146200962.

The square root of 26900264169 is 164013.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10640954025 + 16259310144 = 103155^2 + 127512^2 .

It is not a de Polignac number, because 26900264169 - 2¹⁷ = 26900133097 is a prime.

It is a super-2 number, since 2×26900264169² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26900264119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11315709 + ... + 11318085.

Almost surely, 2^26900264169 is an apocalyptic number.

26900264169 is the 164013-rd square number.

26900264169 is the 82007-th centered octagonal number.

It is an amenable number.

26900264169 is a deficient number, since it is larger than the sum of its proper divisors (13735608654).

26900264169 is an frugal number, since it uses more digits than its factorization.

26900264169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 26900264169 in words is "twenty-six billion, nine hundred million, two hundred sixty-four thousand, one hundred sixty-nine".