16364242 has 4 divisors (see below), whose sum is σ = 24546366. Its totient is φ = 8182120.

The previous prime is 16364237. The next prime is 16364269. The reversal of 16364242 is 24246361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15673681 + 690561 = 3959^2 + 831^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16364242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4091059 + ... + 4091062.

Almost surely, 2^16364242 is an apocalyptic number.

16364242 is a deficient number, since it is larger than the sum of its proper divisors (8182124).

16364242 is an equidigital number, since it uses as much as digits as its factorization.

16364242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182123.

The product of its digits is 6912, while the sum is 28.

The square root of 16364242 is about 4045.2740327449. The cubic root of 16364242 is about 253.8820313162.

The spelling of 16364242 in words is "sixteen million, three hundred sixty-four thousand, two hundred forty-two".