16554245 has 4 divisors (see below), whose sum is σ = 19865100. Its totient is φ = 13243392.

The previous prime is 16554229. The next prime is 16554247. The reversal of 16554245 is 54245561.

16554245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54245561 = 137 ⋅395953.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 14753281 = 1342^2 + 3841^2 .

It is a cyclic number.

It is not a de Polignac number, because 16554245 - 2⁴ = 16554229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16554247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655420 + ... + 1655429.

It is an arithmetic number, because the mean of its divisors is an integer number (4966275).

Almost surely, 2^16554245 is an apocalyptic number.

It is an amenable number.

16554245 is a deficient number, since it is larger than the sum of its proper divisors (3310855).

16554245 is an equidigital number, since it uses as much as digits as its factorization.

16554245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310854.

The product of its digits is 24000, while the sum is 32.

The square root of 16554245 is about 4068.6908213822. The cubic root of 16554245 is about 254.8608493660.

The spelling of 16554245 in words is "sixteen million, five hundred fifty-four thousand, two hundred forty-five".