16656053 has 4 divisors (see below), whose sum is σ = 16719648. Its totient is φ = 16592460.

The previous prime is 16656047. The next prime is 16656067. The reversal of 16656053 is 35065661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35065661 = 1699 ⋅20639.

It is a cyclic number.

It is not a de Polignac number, because 16656053 - 2⁸ = 16655797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656043) 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, 31403 + ... + 31928.

It is an arithmetic number, because the mean of its divisors is an integer number (4179912).

Almost surely, 2^16656053 is an apocalyptic number.

It is an amenable number.

16656053 is a deficient number, since it is larger than the sum of its proper divisors (63595).

16656053 is an equidigital number, since it uses as much as digits as its factorization.

16656053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63594.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 16656053 is about 4081.1827942399. The cubic root of 16656053 is about 255.3822435980.

The spelling of 16656053 in words is "sixteen million, six hundred fifty-six thousand, fifty-three".