16612434 has 36 divisors (see below), whose sum is σ = 38275146. Its totient is φ = 5189376.

The previous prime is 16612433. The next prime is 16612459. The reversal of 16612434 is 43421661.

16612434 is a `hidden beast` number, since 1 + 6 + 612 + 43 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11881809 + 4730625 = 3447^2 + 2175^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16612398 and 16612407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16612433) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71182 + ... + 71414.

Almost surely, 2^16612434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16612434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19137573).

16612434 is an abundant number, since it is smaller than the sum of its proper divisors (21662712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16612434 is a wasteful number, since it uses less digits than its factorization.

16612434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 255 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 16612434 is about 4075.8353744969. The cubic root of 16612434 is about 255.1591163793.

It can be divided in two parts, 1661 and 2434, that added together give a triangular number (4095 = T₉₀).

The spelling of 16612434 in words is "sixteen million, six hundred twelve thousand, four hundred thirty-four".