1366063971087 has 32 divisors (see below), whose sum is σ = 1852479590400. Its totient is φ = 895308415232.

The previous prime is 1366063971029. The next prime is 1366063971101. The reversal of 1366063971087 is 7801793606631.

It is a cyclic number.

It is not a de Polignac number, because 1366063971087 - 2⁶ = 1366063971023 is a prime.

It is a super-2 number, since 2×1366063971087² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366063971007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41653498 + ... + 41686280.

It is an arithmetic number, because the mean of its divisors is an integer number (57889987200).

Almost surely, 2^{1366063971087} is an apocalyptic number.

1366063971087 is a deficient number, since it is larger than the sum of its proper divisors (486415619313).

1366063971087 is a wasteful number, since it uses less digits than its factorization.

1366063971087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33767.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 1366063971087 in words is "one trillion, three hundred sixty-six billion, sixty-three million, nine hundred seventy-one thousand, eighty-seven".