16306061 has 4 divisors (see below), whose sum is σ = 16325532. Its totient is φ = 16286592.

The previous prime is 16306049. The next prime is 16306079. The reversal of 16306061 is 16060361.

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 11764900 + 4541161 = 3430^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 16306061 - 2⁶ = 16305997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16306001) 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, 8420 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (4081383).

Almost surely, 2^16306061 is an apocalyptic number.

It is an amenable number.

16306061 is a deficient number, since it is larger than the sum of its proper divisors (19471).

16306061 is an equidigital number, since it uses as much as digits as its factorization.

16306061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19470.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 16306061 is about 4038.0763984848. The cubic root of 16306061 is about 253.5807921727.

The spelling of 16306061 in words is "sixteen million, three hundred six thousand, sixty-one".