1366636726052 has 48 divisors (see below), whose sum is σ = 2581469775360. Its totient is φ = 629315772288.

The previous prime is 1366636726051. The next prime is 1366636726069. The reversal of 1366636726052 is 2506276366631.

It is a junction number, because it is equal to n+sod(n) for n = 1366636725985 and 1366636726003.

It is not an unprimeable number, because it can be changed into a prime (1366636726051) 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, 42599474 + ... + 42631542.

It is an arithmetic number, because the mean of its divisors is an integer number (53780620320).

Almost surely, 2^{1366636726052} is an apocalyptic number.

It is an amenable number.

1366636726052 is a deficient number, since it is larger than the sum of its proper divisors (1214833049308).

1366636726052 is a wasteful number, since it uses less digits than its factorization.

1366636726052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33932 (or 33930 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 53.

The spelling of 1366636726052 in words is "one trillion, three hundred sixty-six billion, six hundred thirty-six million, seven hundred twenty-six thousand, fifty-two".