18374018905 has 8 divisors (see below), whose sum is σ = 24053261184. Its totient is φ = 13362922800.

The previous prime is 18374018903. The next prime is 18374018941. The reversal of 18374018905 is 50981047381.

It is a happy number.

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

It is not a de Polignac number, because 18374018905 - 2¹ = 18374018903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18374018903) 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 7 ways as a sum of consecutive naturals, for example, 167036481 + ... + 167036590.

It is an arithmetic number, because the mean of its divisors is an integer number (3006657648).

Almost surely, 2^18374018905 is an apocalyptic number.

It is an amenable number.

18374018905 is a deficient number, since it is larger than the sum of its proper divisors (5679242279).

18374018905 is a wasteful number, since it uses less digits than its factorization.

18374018905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334073087.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 18374018905 in words is "eighteen billion, three hundred seventy-four million, eighteen thousand, nine hundred five".