8018138601 has 12 divisors (see below), whose sum is σ = 12634642800. Its totient is φ = 4859477880.

The previous prime is 8018138599. The next prime is 8018138603. The reversal of 8018138601 is 1068318108.

8018138601 is a `hidden beast` number, since 8 + 0 + 18 + 1 + 38 + 601 = 666.

8018138601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8018138599) and next prime (8018138603).

It is not a de Polignac number, because 8018138601 - 2¹ = 8018138599 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8018138603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40495551 + ... + 40495748.

It is an arithmetic number, because the mean of its divisors is an integer number (1052886900).

Almost surely, 2^8018138601 is an apocalyptic number.

It is an amenable number.

8018138601 is a deficient number, since it is larger than the sum of its proper divisors (4616504199).

8018138601 is a wasteful number, since it uses less digits than its factorization.

8018138601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80991316 (or 80991313 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 8018138601 is about 89544.0595517090. The cubic root of 8018138601 is about 2001.5104091283.

The spelling of 8018138601 in words is "eight billion, eighteen million, one hundred thirty-eight thousand, six hundred one".