16074561 has 12 divisors (see below), whose sum is σ = 21993488. Its totient is φ = 10437504.

The previous prime is 16074559. The next prime is 16074577. The reversal of 16074561 is 16547061.

16074561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16074561 - 2¹ = 16074559 is a prime.

It is a super-2 number, since 2×16074561² = 516783022685442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16074521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45361 + ... + 45713.

Almost surely, 2^16074561 is an apocalyptic number.

It is an amenable number.

16074561 is a deficient number, since it is larger than the sum of its proper divisors (5918927).

16074561 is an frugal number, since it uses more digits than its factorization.

16074561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 16074561 is about 4009.3092921350. The cubic root of 16074561 is about 252.3750242557.

The spelling of 16074561 in words is "sixteen million, seventy-four thousand, five hundred sixty-one".