16613434 has 4 divisors (see below), whose sum is σ = 24920154. Its totient is φ = 8306716.

The previous prime is 16613431. The next prime is 16613461. The reversal of 16613434 is 43431661.

16613434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 16378209 + 235225 = 4047^2 + 485^2 .

It is not an unprimeable number, because it can be changed into a prime (16613431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4153357 + ... + 4153360.

Almost surely, 2^16613434 is an apocalyptic number.

16613434 is a deficient number, since it is larger than the sum of its proper divisors (8306720).

16613434 is an equidigital number, since it uses as much as digits as its factorization.

16613434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306719.

The product of its digits is 5184, while the sum is 28.

The square root of 16613434 is about 4075.9580468891. The cubic root of 16613434 is about 255.1642361186.

The spelling of 16613434 in words is "sixteen million, six hundred thirteen thousand, four hundred thirty-four".