18161083 has 8 divisors (see below), whose sum is σ = 19347552. Its totient is φ = 16987776.

The previous prime is 18161057. The next prime is 18161089. The reversal of 18161083 is 38016181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18161083 - 2¹³ = 18152891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18161089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360 + ... + 6037.

It is an arithmetic number, because the mean of its divisors is an integer number (2418444).

Almost surely, 2^18161083 is an apocalyptic number.

18161083 is a deficient number, since it is larger than the sum of its proper divisors (1186469).

18161083 is a wasteful number, since it uses less digits than its factorization.

18161083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 18161083 is about 4261.5822179092. The cubic root of 18161083 is about 262.8535909171.

The spelling of 18161083 in words is "eighteen million, one hundred sixty-one thousand, eighty-three".