166607011 has 2 divisors, whose sum is σ = 166607012. Its totient is φ = 166607010.

The previous prime is 166606997. The next prime is 166607017. The reversal of 166607011 is 110706661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166607011 - 2⁹ = 166606499 is a prime.

It is a super-2 number, since 2×166607011² = 55515792228708242, which contains 22 as substring.

It is a Chen prime.

It is equal to p_9323803 and since 166607011 and 9323803 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (166607017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83303505 + 83303506.

It is an arithmetic number, because the mean of its divisors is an integer number (83303506).

Almost surely, 2^166607011 is an apocalyptic number.

166607011 is a deficient number, since it is larger than the sum of its proper divisors (1).

166607011 is an equidigital number, since it uses as much as digits as its factorization.

166607011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 166607011 is about 12907.6338265385. The cubic root of 166607011 is about 550.2555407565.

The spelling of 166607011 in words is "one hundred sixty-six million, six hundred seven thousand, eleven".