18061343 has 8 divisors (see below), whose sum is σ = 19084800. Its totient is φ = 17045208.

The previous prime is 18061331. The next prime is 18061349. The reversal of 18061343 is 34316081.

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 18061343 - 2²² = 13867039 is a prime.

It is a super-2 number, since 2×18061343² = 652424221927298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18061349) 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, 3698 + ... + 7056.

It is an arithmetic number, because the mean of its divisors is an integer number (2385600).

Almost surely, 2^18061343 is an apocalyptic number.

18061343 is a deficient number, since it is larger than the sum of its proper divisors (1023457).

18061343 is a wasteful number, since it uses less digits than its factorization.

18061343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 18061343 is about 4249.8638801731. The cubic root of 18061343 is about 262.3715132343.

The spelling of 18061343 in words is "eighteen million, sixty-one thousand, three hundred forty-three".