16911061 has 2 divisors, whose sum is σ = 16911062. Its totient is φ = 16911060.

The previous prime is 16911019. The next prime is 16911067. The reversal of 16911061 is 16011961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11122225 + 5788836 = 3335^2 + 2406^2 .

It is a cyclic number.

It is not a de Polignac number, because 16911061 - 2¹³ = 16902869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16911067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8455530 + 8455531.

It is an arithmetic number, because the mean of its divisors is an integer number (8455531).

Almost surely, 2^16911061 is an apocalyptic number.

It is an amenable number.

16911061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16911061 is an equidigital number, since it uses as much as digits as its factorization.

16911061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 16911061 is about 4112.3060440585. The cubic root of 16911061 is about 256.6789685077.

The spelling of 16911061 in words is "sixteen million, nine hundred eleven thousand, sixty-one".