13464268858161 has 81 divisors (see below), whose sum is σ = 21511219206841. Its totient is φ = 8109305490000.

The previous prime is 13464268858153. The next prime is 13464268858177. The reversal of 13464268858161 is 16185886246431.

The square root of 13464268858161 is 3669369.

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

13464268858161 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 42 + 6 + 8 + 8 + 581 + 6 + 1 = 666.

It is not a de Polignac number, because 13464268858161 - 2³ = 13464268858153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13464268858141) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 30393383206 + ... + 30393383648.

Almost surely, 2^{13464268858161} is an apocalyptic number.

13464268858161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13464268858161 is the 3669369-th square number.

13464268858161 is the 1834685-th centered octagonal number.

It is an amenable number.

13464268858161 is a deficient number, since it is larger than the sum of its proper divisors (8046950348680).

13464268858161 is an frugal number, since it uses more digits than its factorization.

13464268858161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 708 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 63.

The spelling of 13464268858161 in words is "thirteen trillion, four hundred sixty-four billion, two hundred sixty-eight million, eight hundred fifty-eight thousand, one hundred sixty-one".