16242861 has 4 divisors (see below), whose sum is σ = 21657152. Its totient is φ = 10828572.

The previous prime is 16242841. The next prime is 16242869. The reversal of 16242861 is 16824261.

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.

It is not a de Polignac number, because 16242861 - 2⁵ = 16242829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242869) 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, 2707141 + ... + 2707146.

It is an arithmetic number, because the mean of its divisors is an integer number (5414288).

Almost surely, 2^16242861 is an apocalyptic number.

It is an amenable number.

16242861 is a deficient number, since it is larger than the sum of its proper divisors (5414291).

16242861 is an equidigital number, since it uses as much as digits as its factorization.

16242861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414290.

The product of its digits is 4608, while the sum is 30.

The square root of 16242861 is about 4030.2432929043. The cubic root of 16242861 is about 253.2527534964.

The spelling of 16242861 in words is "sixteen million, two hundred forty-two thousand, eight hundred sixty-one".