1366053587983 has 8 divisors (see below), whose sum is σ = 1561978139552. Its totient is φ = 1170322546176.

The previous prime is 1366053587933. The next prime is 1366053587993. The reversal of 1366053587983 is 3897853506631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1366053587983 is a prime.

It is a super-2 number, since 2×1366053587983² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366053587903) 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, 48362310 + ... + 48390547.

It is an arithmetic number, because the mean of its divisors is an integer number (195247267444).

Almost surely, 2^{1366053587983} is an apocalyptic number.

1366053587983 is a deficient number, since it is larger than the sum of its proper divisors (195924551569).

1366053587983 is an equidigital number, since it uses as much as digits as its factorization.

1366053587983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96754881.

The product of its (nonzero) digits is 97977600, while the sum is 64.

The spelling of 1366053587983 in words is "one trillion, three hundred sixty-six billion, fifty-three million, five hundred eighty-seven thousand, nine hundred eighty-three".