1388183187165 has 16 divisors (see below), whose sum is σ = 2221108682688. Its totient is φ = 740359172096.

The previous prime is 1388183187143. The next prime is 1388183187221. The reversal of 1388183187165 is 5617813818831.

It is a cyclic number.

It is not a de Polignac number, because 1388183187165 - 2⁶ = 1388183187101 is a prime.

It is a super-2 number, since 2×1388183187165² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1388183187099 and 1388183187108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2950237 + ... + 3388253.

It is an arithmetic number, because the mean of its divisors is an integer number (138819292668).

Almost surely, 2^{1388183187165} is an apocalyptic number.

1388183187165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1388183187165 is a deficient number, since it is larger than the sum of its proper divisors (832925495523).

1388183187165 is a wasteful number, since it uses less digits than its factorization.

1388183187165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649308.

The product of its digits is 7741440, while the sum is 60.

The spelling of 1388183187165 in words is "one trillion, three hundred eighty-eight billion, one hundred eighty-three million, one hundred eighty-seven thousand, one hundred sixty-five".