18167948 has 12 divisors (see below), whose sum is σ = 32229960. Its totient is φ = 8959392.

The previous prime is 18167939. The next prime is 18167959. The reversal of 18167948 is 84976181.

It is a junction number, because it is equal to n+sod(n) for n = 18167899 and 18167908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30818 + ... + 31401.

It is an arithmetic number, because the mean of its divisors is an integer number (2685830).

Almost surely, 2^18167948 is an apocalyptic number.

It is an amenable number.

18167948 is a deficient number, since it is larger than the sum of its proper divisors (14062012).

18167948 is a wasteful number, since it uses less digits than its factorization.

18167948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62296 (or 62294 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 18167948 is about 4262.3875938258. The cubic root of 18167948 is about 262.8867068309.

The spelling of 18167948 in words is "eighteen million, one hundred sixty-seven thousand, nine hundred forty-eight".