16060661 has 2 divisors, whose sum is σ = 16060662. Its totient is φ = 16060660.

The previous prime is 16060651. The next prime is 16060663. The reversal of 16060661 is 16606061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14485636 + 1575025 = 3806^2 + 1255^2 .

It is an emirp because it is prime and its reverse (16606061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16060661 is a prime.

Together with 16060663, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1034729 and since 16060661 and 1034729 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16060661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16060663) 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 as a sum of consecutive naturals, namely, 8030330 + 8030331.

It is an arithmetic number, because the mean of its divisors is an integer number (8030331).

Almost surely, 2^16060661 is an apocalyptic number.

It is an amenable number.

16060661 is a deficient number, since it is larger than the sum of its proper divisors (1).

16060661 is an equidigital number, since it uses as much as digits as its factorization.

16060661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 16060661 is about 4007.5754515667. The cubic root of 16060661 is about 252.3022586713.

The spelling of 16060661 in words is "sixteen million, sixty thousand, six hundred sixty-one".