1386116161 has 8 divisors (see below), whose sum is σ = 1440181800. Its totient is φ = 1332468480.

The previous prime is 1386116159. The next prime is 1386116191. The reversal of 1386116161 is 1616116831.

It can be written as a sum of positive squares in 4 ways, for example, as 208253761 + 1177862400 = 14431^2 + 34320^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1386116161 - 2¹ = 1386116159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1386116141) 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, 97720 + ... + 111001.

It is an arithmetic number, because the mean of its divisors is an integer number (180022725).

Almost surely, 2^1386116161 is an apocalyptic number.

It is an amenable number.

1386116161 is a deficient number, since it is larger than the sum of its proper divisors (54065639).

1386116161 is a wasteful number, since it uses less digits than its factorization.

1386116161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208979.

The product of its digits is 5184, while the sum is 34.

The square root of 1386116161 is about 37230.5809919749. The cubic root of 1386116161 is about 1114.9786266825.

The spelling of 1386116161 in words is "one billion, three hundred eighty-six million, one hundred sixteen thousand, one hundred sixty-one".