16261045 has 4 divisors (see below), whose sum is σ = 19513260. Its totient is φ = 13008832.

The previous prime is 16261001. The next prime is 16261073. The reversal of 16261045 is 54016261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10297681 + 5963364 = 3209^2 + 2442^2 .

It is a cyclic number.

It is not a de Polignac number, because 16261045 - 2¹¹ = 16258997 is a prime.

It is a congruent number.

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, 1626100 + ... + 1626109.

It is an arithmetic number, because the mean of its divisors is an integer number (4878315).

Almost surely, 2^16261045 is an apocalyptic number.

It is an amenable number.

16261045 is a deficient number, since it is larger than the sum of its proper divisors (3252215).

16261045 is an equidigital number, since it uses as much as digits as its factorization.

16261045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252214.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 16261045 is about 4032.4986050835. The cubic root of 16261045 is about 253.3472243460.

The spelling of 16261045 in words is "sixteen million, two hundred sixty-one thousand, forty-five".