16960861 has 2 divisors, whose sum is σ = 16960862. Its totient is φ = 16960860.

The previous prime is 16960859. The next prime is 16960903. The reversal of 16960861 is 16806961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9703225 + 7257636 = 3115^2 + 2694^2 .

It is an emirp because it is prime and its reverse (16806961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16960861 - 2¹ = 16960859 is a prime.

It is a super-2 number, since 2×16960861² = 575341611722642, which contains 22 as substring.

Together with 16960859, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16960861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16960841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8480430 + 8480431.

It is an arithmetic number, because the mean of its divisors is an integer number (8480431).

Almost surely, 2^16960861 is an apocalyptic number.

It is an amenable number.

16960861 is a deficient number, since it is larger than the sum of its proper divisors (1).

16960861 is an equidigital number, since it uses as much as digits as its factorization.

16960861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 16960861 is about 4118.3565897091. The cubic root of 16960861 is about 256.9306792199.

The spelling of 16960861 in words is "sixteen million, nine hundred sixty thousand, eight hundred sixty-one".