16760981 has 2 divisors, whose sum is σ = 16760982. Its totient is φ = 16760980.

The previous prime is 16760941. The next prime is 16761001. The reversal of 16760981 is 18906761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16072081 + 688900 = 4009^2 + 830^2 .

It is an emirp because it is prime and its reverse (18906761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16760981 - 2⁶ = 16760917 is a prime.

It is a super-2 number, since 2×16760981² = 561860968164722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16760941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8380490 + 8380491.

It is an arithmetic number, because the mean of its divisors is an integer number (8380491).

Almost surely, 2^16760981 is an apocalyptic number.

It is an amenable number.

16760981 is a deficient number, since it is larger than the sum of its proper divisors (1).

16760981 is an equidigital number, since it uses as much as digits as its factorization.

16760981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 16760981 is about 4094.0177088039. The cubic root of 16760981 is about 255.9173978699.

The spelling of 16760981 in words is "sixteen million, seven hundred sixty thousand, nine hundred eighty-one".