18199052 has 6 divisors (see below), whose sum is σ = 31848348. Its totient is φ = 9099524.

The previous prime is 18199031. The next prime is 18199063. The reversal of 18199052 is 25099181.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274878 + ... + 2274885.

It is an arithmetic number, because the mean of its divisors is an integer number (5308058).

Almost surely, 2^18199052 is an apocalyptic number.

It is an amenable number.

18199052 is a deficient number, since it is larger than the sum of its proper divisors (13649296).

18199052 is a wasteful number, since it uses less digits than its factorization.

18199052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549767 (or 4549765 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 18199052 is about 4266.0346927797. The cubic root of 18199052 is about 263.0366442601.

The spelling of 18199052 in words is "eighteen million, one hundred ninety-nine thousand, fifty-two".