16545434 has 8 divisors (see below), whose sum is σ = 25286580. Its totient is φ = 8116576.

The previous prime is 16545421. The next prime is 16545443. The reversal of 16545434 is 43454561.

It can be written as a sum of positive squares in 2 ways, for example, as 12924025 + 3621409 = 3595^2 + 1903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16545434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77939 + ... + 78150.

Almost surely, 2^16545434 is an apocalyptic number.

16545434 is a deficient number, since it is larger than the sum of its proper divisors (8741146).

16545434 is a wasteful number, since it uses less digits than its factorization.

16545434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156144.

The product of its digits is 28800, while the sum is 32.

The square root of 16545434 is about 4067.6078965407. The cubic root of 16545434 is about 254.8156247632.

Adding to 16545434 its reverse (43454561), we get a palindrome (59999995).

The spelling of 16545434 in words is "sixteen million, five hundred forty-five thousand, four hundred thirty-four".