1366650160361 has 4 divisors (see below), whose sum is σ = 1366903296000. Its totient is φ = 1366397024724.

The previous prime is 1366650160349. The next prime is 1366650160397. The reversal of 1366650160361 is 1630610566631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1366650160361 - 2³⁴ = 1349470291177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366650160261) 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, 126559721 + ... + 126570518.

It is an arithmetic number, because the mean of its divisors is an integer number (341725824000).

Almost surely, 2^{1366650160361} is an apocalyptic number.

It is an amenable number.

1366650160361 is a deficient number, since it is larger than the sum of its proper divisors (253135639).

1366650160361 is an equidigital number, since it uses as much as digits as its factorization.

1366650160361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253135638.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 1366650160361 in words is "one trillion, three hundred sixty-six billion, six hundred fifty million, one hundred sixty thousand, three hundred sixty-one".