16654513 has 2 divisors, whose sum is σ = 16654514. Its totient is φ = 16654512.

The previous prime is 16654501. The next prime is 16654523. The reversal of 16654513 is 31545661.

16654513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14615329 + 2039184 = 3823^2 + 1428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16654513 is a prime.

It is not a weakly prime, because it can be changed into another prime (16654523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8327256 + 8327257.

It is an arithmetic number, because the mean of its divisors is an integer number (8327257).

Almost surely, 2^16654513 is an apocalyptic number.

It is an amenable number.

16654513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16654513 is an equidigital number, since it uses as much as digits as its factorization.

16654513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 16654513 is about 4080.9941190842. The cubic root of 16654513 is about 255.3743725700.

The spelling of 16654513 in words is "sixteen million, six hundred fifty-four thousand, five hundred thirteen".