16652243 has 4 divisors (see below), whose sum is σ = 16754568. Its totient is φ = 16549920.

The previous prime is 16652221. The next prime is 16652261. The reversal of 16652243 is 34225661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34225661 = 1511 ⋅22651.

It is a cyclic number.

It is not a de Polignac number, because 16652243 - 2⁶ = 16652179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16652203) 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, 50918 + ... + 51243.

It is an arithmetic number, because the mean of its divisors is an integer number (4188642).

Almost surely, 2^16652243 is an apocalyptic number.

16652243 is a deficient number, since it is larger than the sum of its proper divisors (102325).

16652243 is a wasteful number, since it uses less digits than its factorization.

16652243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102324.

The product of its digits is 8640, while the sum is 29.

The square root of 16652243 is about 4080.7159910976. The cubic root of 16652243 is about 255.3627695856.

The spelling of 16652243 in words is "sixteen million, six hundred fifty-two thousand, two hundred forty-three".