16057217 has 8 divisors (see below), whose sum is σ = 17623872. Its totient is φ = 14508400.

The previous prime is 16057207. The next prime is 16057219. The reversal of 16057217 is 71275061.

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 16057217 - 2⁴ = 16057201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16057217.

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, 2534 + ... + 6207.

It is an arithmetic number, because the mean of its divisors is an integer number (2202984).

Almost surely, 2^16057217 is an apocalyptic number.

It is an amenable number.

16057217 is a deficient number, since it is larger than the sum of its proper divisors (1566655).

16057217 is a wasteful number, since it uses less digits than its factorization.

16057217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 16057217 is about 4007.1457422959. The cubic root of 16057217 is about 252.2842230688.

The spelling of 16057217 in words is "sixteen million, fifty-seven thousand, two hundred seventeen".