18148006 has 4 divisors (see below), whose sum is σ = 27222012. Its totient is φ = 9074002.

The previous prime is 18148001. The next prime is 18148007. The reversal of 18148006 is 60084181.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18148001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4537000 + ... + 4537003.

It is an arithmetic number, because the mean of its divisors is an integer number (6805503).

Almost surely, 2^18148006 is an apocalyptic number.

18148006 is a deficient number, since it is larger than the sum of its proper divisors (9074006).

18148006 is an equidigital number, since it uses as much as digits as its factorization.

18148006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074005.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18148006 is about 4260.0476523156. The cubic root of 18148006 is about 262.7904859844.

The spelling of 18148006 in words is "eighteen million, one hundred forty-eight thousand, six".