16342442 has 4 divisors (see below), whose sum is σ = 24513666. Its totient is φ = 8171220.

The previous prime is 16342441. The next prime is 16342471. The reversal of 16342442 is 24424361.

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., 11978521 + 4363921 = 3461^2 + 2089^2 .

It is not an unprimeable number, because it can be changed into a prime (16342441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4085609 + ... + 4085612.

Almost surely, 2^16342442 is an apocalyptic number.

16342442 is a deficient number, since it is larger than the sum of its proper divisors (8171224).

16342442 is an equidigital number, since it uses as much as digits as its factorization.

16342442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171223.

The product of its digits is 4608, while the sum is 26.

The square root of 16342442 is about 4042.5786325067. The cubic root of 16342442 is about 253.7692429614.

The spelling of 16342442 in words is "sixteen million, three hundred forty-two thousand, four hundred forty-two".