1366420516514 has 16 divisors (see below), whose sum is σ = 2171154712608. Its totient is φ = 642737739072.

The previous prime is 1366420516499. The next prime is 1366420516519. The reversal of 1366420516514 is 4156150246631.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1366420516519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8786804 + ... + 8940959.

It is an arithmetic number, because the mean of its divisors is an integer number (135697169538).

Almost surely, 2^{1366420516514} is an apocalyptic number.

1366420516514 is a deficient number, since it is larger than the sum of its proper divisors (804734196094).

1366420516514 is a wasteful number, since it uses less digits than its factorization.

1366420516514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730049.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 1366420516514 in words is "one trillion, three hundred sixty-six billion, four hundred twenty million, five hundred sixteen thousand, five hundred fourteen".