1343306525661 has 20 divisors (see below), whose sum is σ = 2029214612700. Its totient is φ = 885475457856.

The previous prime is 1343306525641. The next prime is 1343306525699. The reversal of 1343306525661 is 1665256033431.

1343306525661 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 30 + 6 + 52 + 566 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 672103192761 + 671203332900 = 819819^2 + 819270^2 .

It is not a de Polignac number, because 1343306525661 - 2²⁷ = 1343172307933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343306525621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93161506 + ... + 93175923.

It is an arithmetic number, because the mean of its divisors is an integer number (101460730635).

Almost surely, 2^{1343306525661} is an apocalyptic number.

It is an amenable number.

1343306525661 is a deficient number, since it is larger than the sum of its proper divisors (685908087039).

1343306525661 is an equidigital number, since it uses as much as digits as its factorization.

1343306525661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186337530 (or 186337521 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 1343306525661 in words is "one trillion, three hundred forty-three billion, three hundred six million, five hundred twenty-five thousand, six hundred sixty-one".