16560245 has 8 divisors (see below), whose sum is σ = 21401016. Its totient is φ = 12229056.

The previous prime is 16560241. The next prime is 16560259. The reversal of 16560245 is 54206561.

It can be written as a sum of positive squares in 4 ways, for example, as 2951524 + 13608721 = 1718^2 + 3689^2 .

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 16560245 - 2² = 16560241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16560241) 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, 127322 + ... + 127451.

It is an arithmetic number, because the mean of its divisors is an integer number (2675127).

Almost surely, 2^16560245 is an apocalyptic number.

It is an amenable number.

16560245 is a deficient number, since it is larger than the sum of its proper divisors (4840771).

16560245 is a wasteful number, since it uses less digits than its factorization.

16560245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254791.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 16560245 is about 4069.4280924965. The cubic root of 16560245 is about 254.8916366432.

The spelling of 16560245 in words is "sixteen million, five hundred sixty thousand, two hundred forty-five".