18148196 has 48 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 7756320.

The previous prime is 18148181. The next prime is 18148217. The reversal of 18148196 is 69184181.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79835 + ... + 80061.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^18148196 is an apocalyptic number.

It is an amenable number.

18148196 is an abundant number, since it is smaller than the sum of its proper divisors (18623644).

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

18148196 is a wasteful number, since it uses less digits than its factorization.

18148196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its digits is 13824, while the sum is 38.

The square root of 18148196 is about 4260.0699524773. The cubic root of 18148196 is about 262.7914030735.

The spelling of 18148196 in words is "eighteen million, one hundred forty-eight thousand, one hundred ninety-six".