1314050405661 has 16 divisors (see below), whose sum is σ = 2224847248000. Its totient is φ = 750885945984.

The previous prime is 1314050405639. The next prime is 1314050405729. The reversal of 1314050405661 is 1665040504131.

1314050405661 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 50 + 40 + 566 + 1 = 666.

It is not a de Polignac number, because 1314050405661 - 2⁷ = 1314050405533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314050405621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3476323636 + ... + 3476324013.

It is an arithmetic number, because the mean of its divisors is an integer number (139052953000).

Almost surely, 2^{1314050405661} is an apocalyptic number.

It is an amenable number.

1314050405661 is a deficient number, since it is larger than the sum of its proper divisors (910796842339).

1314050405661 is an equidigital number, since it uses as much as digits as its factorization.

1314050405661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952647665 (or 6952647659 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 1314050405661 its reverse (1665040504131), we get a palindrome (2979090909792).

The spelling of 1314050405661 in words is "one trillion, three hundred fourteen billion, fifty million, four hundred five thousand, six hundred sixty-one".