18551676348 has 24 divisors (see below), whose sum is σ = 48096938960. Its totient is φ = 6183892080.

The previous prime is 18551676317. The next prime is 18551676349. The reversal of 18551676348 is 84367615581.

It is a happy number.

18551676348 is a `hidden beast` number, since 1 + 85 + 516 + 7 + 6 + 3 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 18551676294 and 18551676303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18551676349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85887283 + ... + 85887498.

Almost surely, 2^18551676348 is an apocalyptic number.

18551676348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18551676348 is an abundant number, since it is smaller than the sum of its proper divisors (29545262612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18551676348 is a wasteful number, since it uses less digits than its factorization.

18551676348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171774794 (or 171774786 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 18551676348 in words is "eighteen billion, five hundred fifty-one million, six hundred seventy-six thousand, three hundred forty-eight".