18224138601 has 12 divisors (see below), whose sum is σ = 27872212212. Its totient is φ = 11434753536.

The previous prime is 18224138599. The next prime is 18224138633. The reversal of 18224138601 is 10683142281.

18224138601 is a `hidden beast` number, since 1 + 8 + 2 + 2 + 41 + 3 + 8 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16501971600 + 1722167001 = 128460^2 + 41499^2 .

It is not a de Polignac number, because 18224138601 - 2¹ = 18224138599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18224138641) 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, 59555856 + ... + 59556161.

It is an arithmetic number, because the mean of its divisors is an integer number (2322684351).

Almost surely, 2^18224138601 is an apocalyptic number.

It is an amenable number.

18224138601 is a deficient number, since it is larger than the sum of its proper divisors (9648073611).

18224138601 is a wasteful number, since it uses less digits than its factorization.

18224138601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119112040 (or 119112037 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 18224138601 in words is "eighteen billion, two hundred twenty-four million, one hundred thirty-eight thousand, six hundred one".