16549061 has 4 divisors (see below), whose sum is σ = 16558272. Its totient is φ = 16539852.

The previous prime is 16549051. The next prime is 16549063. The reversal of 16549061 is 16094561.

16549061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16549061 - 2⁶ = 16548997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16549063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935 + ... + 5828.

It is an arithmetic number, because the mean of its divisors is an integer number (4139568).

Almost surely, 2^16549061 is an apocalyptic number.

It is an amenable number.

16549061 is a deficient number, since it is larger than the sum of its proper divisors (9211).

16549061 is an equidigital number, since it uses as much as digits as its factorization.

16549061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9210.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 16549061 is about 4068.0537115432. The cubic root of 16549061 is about 254.8342431676.

The spelling of 16549061 in words is "sixteen million, five hundred forty-nine thousand, sixty-one".