18477161848 has 16 divisors (see below), whose sum is σ = 35839323000. Its totient is φ = 8920009056.

The previous prime is 18477161837. The next prime is 18477161881. The reversal of 18477161848 is 84816177481.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39821238 + ... + 39821701.

Almost surely, 2^18477161848 is an apocalyptic number.

It is an amenable number.

18477161848 is a deficient number, since it is larger than the sum of its proper divisors (17362161152).

18477161848 is a wasteful number, since it uses less digits than its factorization.

18477161848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79642974 (or 79642970 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 55.

The spelling of 18477161848 in words is "eighteen billion, four hundred seventy-seven million, one hundred sixty-one thousand, eight hundred forty-eight".