1366774444377 has 24 divisors (see below), whose sum is σ = 2003920184448. Its totient is φ = 897503846400.

The previous prime is 1366774444331. The next prime is 1366774444403. The reversal of 1366774444377 is 7734444776631.

1366774444377 is a `hidden beast` number, since 1 + 36 + 67 + 74 + 44 + 437 + 7 = 666.

It is not a de Polignac number, because 1366774444377 - 2¹² = 1366774440281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1366774446377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326824 + ... + 1685337.

It is an arithmetic number, because the mean of its divisors is an integer number (83496674352).

Almost surely, 2^{1366774444377} is an apocalyptic number.

It is an amenable number.

1366774444377 is a deficient number, since it is larger than the sum of its proper divisors (637145740071).

1366774444377 is a wasteful number, since it uses less digits than its factorization.

1366774444377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013301 (or 2013298 counting only the distinct ones).

The product of its digits is 199148544, while the sum is 63.

The spelling of 1366774444377 in words is "one trillion, three hundred sixty-six billion, seven hundred seventy-four million, four hundred forty-four thousand, three hundred seventy-seven".