18457061 has 8 divisors (see below), whose sum is σ = 21147264. Its totient is φ = 15780240.

The previous prime is 18457039. The next prime is 18457067. The reversal of 18457061 is 16075481.

It is a happy number.

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

It is not a de Polignac number, because 18457061 - 2¹⁰ = 18456037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18457067) 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, 185 + ... + 6078.

It is an arithmetic number, because the mean of its divisors is an integer number (2643408).

Almost surely, 2^18457061 is an apocalyptic number.

It is an amenable number.

18457061 is a deficient number, since it is larger than the sum of its proper divisors (2690203).

18457061 is an equidigital number, since it uses as much as digits as its factorization.

18457061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 18457061 is about 4296.1681764102. The cubic root of 18457061 is about 264.2738444424.

The spelling of 18457061 in words is "eighteen million, four hundred fifty-seven thousand, sixty-one".