18350057 has 8 divisors (see below), whose sum is σ = 20099232. Its totient is φ = 16614400.

The previous prime is 18350023. The next prime is 18350063. The reversal of 18350057 is 75005381.

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

It is not a de Polignac number, because 18350057 - 2¹⁴ = 18333673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18350957) 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, 419 + ... + 6072.

It is an arithmetic number, because the mean of its divisors is an integer number (2512404).

Almost surely, 2^18350057 is an apocalyptic number.

It is an amenable number.

18350057 is a deficient number, since it is larger than the sum of its proper divisors (1749175).

18350057 is a wasteful number, since it uses less digits than its factorization.

18350057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 18350057 is about 4283.6966512581. The cubic root of 18350057 is about 263.7621489878.

The spelling of 18350057 in words is "eighteen million, three hundred fifty thousand, fifty-seven".