16534045 has 12 divisors (see below), whose sum is σ = 21809340. Its totient is φ = 12024320.

The previous prime is 16534043. The next prime is 16534061. The reversal of 16534045 is 54043561.

It can be written as a sum of positive squares in 2 ways, for example, as 6911641 + 9622404 = 2629^2 + 3102^2 .

It is not a de Polignac number, because 16534045 - 2¹ = 16534043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16534043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13060 + ... + 14269.

It is an arithmetic number, because the mean of its divisors is an integer number (1817445).

Almost surely, 2^16534045 is an apocalyptic number.

It is an amenable number.

16534045 is a deficient number, since it is larger than the sum of its proper divisors (5275295).

16534045 is a wasteful number, since it uses less digits than its factorization.

16534045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27356 (or 27345 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 16534045 is about 4066.2076926788. The cubic root of 16534045 is about 254.7571441518.

It can be divided in two parts, 16 and 534045, that added together give a triangular number (534061 = T₁₀₃₃).

The spelling of 16534045 in words is "sixteen million, five hundred thirty-four thousand, forty-five".