18055716077 has 8 divisors (see below), whose sum is σ = 20766539136. Its totient is φ = 15377751792.

The previous prime is 18055716061. The next prime is 18055716083. The reversal of 18055716077 is 77061755081.

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

It is a cyclic number.

It is not a de Polignac number, because 18055716077 - 2⁴ = 18055716061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18055716047) 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, 8213513 + ... + 8215710.

It is an arithmetic number, because the mean of its divisors is an integer number (2595817392).

Almost surely, 2^18055716077 is an apocalyptic number.

It is an amenable number.

18055716077 is a deficient number, since it is larger than the sum of its proper divisors (2710823059).

18055716077 is a wasteful number, since it uses less digits than its factorization.

18055716077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16429387.

The product of its (nonzero) digits is 411600, while the sum is 47.

The spelling of 18055716077 in words is "eighteen billion, fifty-five million, seven hundred sixteen thousand, seventy-seven".