18260880467 has 4 divisors (see below), whose sum is σ = 18278801880. Its totient is φ = 18242959056.

The previous prime is 18260880461. The next prime is 18260880479. The reversal of 18260880467 is 76408806281.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18260880467 - 2¹² = 18260876371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18260880461) 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, 8959178 + ... + 8961215.

It is an arithmetic number, because the mean of its divisors is an integer number (4569700470).

Almost surely, 2^18260880467 is an apocalyptic number.

18260880467 is a deficient number, since it is larger than the sum of its proper divisors (17921413).

18260880467 is a wasteful number, since it uses less digits than its factorization.

18260880467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17921412.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 18260880467 in words is "eighteen billion, two hundred sixty million, eight hundred eighty thousand, four hundred sixty-seven".