18874068151 has 4 divisors (see below), whose sum is σ = 19984307472. Its totient is φ = 17763828832.

The previous prime is 18874068149. The next prime is 18874068211. The reversal of 18874068151 is 15186047881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15186047881 = 86183 ⋅176207.

It is a cyclic number.

It is not a de Polignac number, because 18874068151 - 2¹ = 18874068149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18874068095 and 18874068104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18874065151) 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, 555119635 + ... + 555119668.

It is an arithmetic number, because the mean of its divisors is an integer number (4996076868).

Almost surely, 2^18874068151 is an apocalyptic number.

18874068151 is a deficient number, since it is larger than the sum of its proper divisors (1110239321).

18874068151 is a wasteful number, since it uses less digits than its factorization.

18874068151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110239320.

The product of its (nonzero) digits is 430080, while the sum is 49.

The spelling of 18874068151 in words is "eighteen billion, eight hundred seventy-four million, sixty-eight thousand, one hundred fifty-one".