18414604151 has 4 divisors (see below), whose sum is σ = 18418683600. Its totient is φ = 18410524704.

The previous prime is 18414604093. The next prime is 18414604157. The reversal of 18414604151 is 15140641481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15140641481 = 7 ⋅2162948783.

It is a cyclic number.

It is not a de Polignac number, because 18414604151 - 2²² = 18410409847 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 (18414604157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032946 + ... + 2041983.

It is an arithmetic number, because the mean of its divisors is an integer number (4604670900).

Almost surely, 2^18414604151 is an apocalyptic number.

18414604151 is a deficient number, since it is larger than the sum of its proper divisors (4079449).

18414604151 is an equidigital number, since it uses as much as digits as its factorization.

18414604151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079448.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 18414604151 in words is "eighteen billion, four hundred fourteen million, six hundred four thousand, one hundred fifty-one".