1168100613 has 6 divisors (see below), whose sum is σ = 1687256454. Its totient is φ = 778733736.

The previous prime is 1168100611. The next prime is 1168100623. The reversal of 1168100613 is 3160018611.

It can be written as a sum of positive squares in only one way, i.e., 1139872644 + 28227969 = 33762^2 + 5313^2 .

It is not a de Polignac number, because 1168100613 - 2¹ = 1168100611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168100611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64894470 + ... + 64894487.

It is an arithmetic number, because the mean of its divisors is an integer number (281209409).

Almost surely, 2^1168100613 is an apocalyptic number.

It is an amenable number.

1168100613 is a deficient number, since it is larger than the sum of its proper divisors (519155841).

1168100613 is a wasteful number, since it uses less digits than its factorization.

1168100613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129788963 (or 129788960 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1168100613 is about 34177.4869321897. The cubic root of 1168100613 is about 1053.1577240114.

The spelling of 1168100613 in words is "one billion, one hundred sixty-eight million, one hundred thousand, six hundred thirteen".