18360744157 has 16 divisors (see below), whose sum is σ = 21701468160. Its totient is φ = 15207938928.

The previous prime is 18360744151. The next prime is 18360744191. The reversal of 18360744157 is 75144706381.

It is not a de Polignac number, because 18360744157 - 2¹⁹ = 18360219869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18360744151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327223 + ... + 379204.

It is an arithmetic number, because the mean of its divisors is an integer number (1356341760).

Almost surely, 2^18360744157 is an apocalyptic number.

It is an amenable number.

18360744157 is a deficient number, since it is larger than the sum of its proper divisors (3340724003).

18360744157 is an equidigital number, since it uses as much as digits as its factorization.

18360744157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706560.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 18360744157 in words is "eighteen billion, three hundred sixty million, seven hundred forty-four thousand, one hundred fifty-seven".