16927961 has 2 divisors, whose sum is σ = 16927962. Its totient is φ = 16927960.

The previous prime is 16927949. The next prime is 16927973. The reversal of 16927961 is 16972961.

It is a balanced prime because it is at equal distance from previous prime (16927949) and next prime (16927973).

It can be written as a sum of positive squares in only one way, i.e., 14868736 + 2059225 = 3856^2 + 1435^2 .

It is an emirp because it is prime and its reverse (16972961) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16927961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16927991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8463980 + 8463981.

It is an arithmetic number, because the mean of its divisors is an integer number (8463981).

Almost surely, 2^16927961 is an apocalyptic number.

It is an amenable number.

16927961 is a deficient number, since it is larger than the sum of its proper divisors (1).

16927961 is an equidigital number, since it uses as much as digits as its factorization.

16927961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 16927961 is about 4114.3603391050. The cubic root of 16927961 is about 256.7644437351.

The spelling of 16927961 in words is "sixteen million, nine hundred twenty-seven thousand, nine hundred sixty-one".