1366501613807 has 24 divisors (see below), whose sum is σ = 1599570041328. Its totient is φ = 1162440561920.

The previous prime is 1366501613753. The next prime is 1366501613843. The reversal of 1366501613807 is 7083161056631.

It is not a de Polignac number, because 1366501613807 - 2¹⁶ = 1366501548271 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 (1366501613707) 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, 1564133 + ... + 2275854.

It is an arithmetic number, because the mean of its divisors is an integer number (66648751722).

Almost surely, 2^{1366501613807} is an apocalyptic number.

1366501613807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1366501613807 is a deficient number, since it is larger than the sum of its proper divisors (233068427521).

1366501613807 is a wasteful number, since it uses less digits than its factorization.

1366501613807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840199 (or 3840188 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 1366501613807 in words is "one trillion, three hundred sixty-six billion, five hundred one million, six hundred thirteen thousand, eight hundred seven".