16611053 has 2 divisors, whose sum is σ = 16611054. Its totient is φ = 16611052.

The previous prime is 16611041. The next prime is 16611059. The reversal of 16611053 is 35011661.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 3636649 = 3602^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 16611053 - 2¹⁰ = 16610029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16611059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8305526 + 8305527.

It is an arithmetic number, because the mean of its divisors is an integer number (8305527).

Almost surely, 2^16611053 is an apocalyptic number.

It is an amenable number.

16611053 is a deficient number, since it is larger than the sum of its proper divisors (1).

16611053 is an equidigital number, since it uses as much as digits as its factorization.

16611053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 16611053 is about 4075.6659578528. The cubic root of 16611053 is about 255.1520456814.

The spelling of 16611053 in words is "sixteen million, six hundred eleven thousand, fifty-three".