1660286139119 has 4 divisors (see below), whose sum is σ = 1665523635144. Its totient is φ = 1655048643096.

The previous prime is 1660286139107. The next prime is 1660286139139. The reversal of 1660286139119 is 9119316820661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1660286139119 - 2⁴⁰ = 560774511343 is a prime.

It is a super-2 number, since 2×1660286139119² (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 (1660286139139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618747537 + ... + 2618748170.

It is an arithmetic number, because the mean of its divisors is an integer number (416380908786).

Almost surely, 2^{1660286139119} is an apocalyptic number.

1660286139119 is a deficient number, since it is larger than the sum of its proper divisors (5237496025).

1660286139119 is an equidigital number, since it uses as much as digits as its factorization.

1660286139119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237496024.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 1660286139119 in words is "one trillion, six hundred sixty billion, two hundred eighty-six million, one hundred thirty-nine thousand, one hundred nineteen".