16057218 has 16 divisors (see below), whose sum is σ = 32567616. Its totient is φ = 5276880.

The previous prime is 16057207. The next prime is 16057219. The reversal of 16057218 is 81275061.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16057219) 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, 18421 + ... + 19272.

It is an arithmetic number, because the mean of its divisors is an integer number (2035476).

Almost surely, 2^16057218 is an apocalyptic number.

16057218 is an abundant number, since it is smaller than the sum of its proper divisors (16510398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16057218 is a wasteful number, since it uses less digits than its factorization.

16057218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37769.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 16057218 is about 4007.1458670730. The cubic root of 16057218 is about 252.2842283060.

The spelling of 16057218 in words is "sixteen million, fifty-seven thousand, two hundred eighteen".