18128825046 has 12 divisors (see below), whose sum is σ = 39279120972. Its totient is φ = 6042941676.

The previous prime is 18128825027. The next prime is 18128825051. The reversal of 18128825046 is 64052882181.

18128825046 is a `hidden beast` number, since 1 + 81 + 288 + 250 + 46 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18128824992 and 18128825010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503578456 + ... + 503578491.

It is an arithmetic number, because the mean of its divisors is an integer number (3273260081).

Almost surely, 2^18128825046 is an apocalyptic number.

18128825046 is an abundant number, since it is smaller than the sum of its proper divisors (21150295926).

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

18128825046 is a wasteful number, since it uses less digits than its factorization.

18128825046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007156955 (or 1007156952 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 18128825046 in words is "eighteen billion, one hundred twenty-eight million, eight hundred twenty-five thousand, forty-six".