18054641 has 8 divisors (see below), whose sum is σ = 19735968. Its totient is φ = 16380000.

The previous prime is 18054613. The next prime is 18054653. The reversal of 18054641 is 14645081.

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 18054641 - 2⁶ = 18054577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18054601) 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, 5246 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (2466996).

Almost surely, 2^18054641 is an apocalyptic number.

18054641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18054641 is a deficient number, since it is larger than the sum of its proper divisors (1681327).

18054641 is a wasteful number, since it uses less digits than its factorization.

18054641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18054641 is about 4249.0753111707. The cubic root of 18054641 is about 262.3390565961.

It can be divided in two parts, 1805 and 4641, that added together give a palindrome (6446).

The spelling of 18054641 in words is "eighteen million, fifty-four thousand, six hundred forty-one".