166935151 has 2 divisors, whose sum is σ = 166935152. Its totient is φ = 166935150.

The previous prime is 166935143. The next prime is 166935163. The reversal of 166935151 is 151539661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166935151 - 2³ = 166935143 is a prime.

It is a super-3 number, since 3×166935151³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166935151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166935551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83467575 + 83467576.

It is an arithmetic number, because the mean of its divisors is an integer number (83467576).

Almost surely, 2^166935151 is an apocalyptic number.

166935151 is a deficient number, since it is larger than the sum of its proper divisors (1).

166935151 is an equidigital number, since it uses as much as digits as its factorization.

166935151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 37.

The square root of 166935151 is about 12920.3386565523. The cubic root of 166935151 is about 550.6165548593.

The spelling of 166935151 in words is "one hundred sixty-six million, nine hundred thirty-five thousand, one hundred fifty-one".