166960481 has 2 divisors, whose sum is σ = 166960482. Its totient is φ = 166960480.

The previous prime is 166960471. The next prime is 166960567. The reversal of 166960481 is 184069661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164070481 + 2890000 = 12809^2 + 1700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166960481 is a prime.

It is a super-2 number, since 2×166960481² = 55751604431502722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (166960471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83480240 + 83480241.

It is an arithmetic number, because the mean of its divisors is an integer number (83480241).

Almost surely, 2^166960481 is an apocalyptic number.

It is an amenable number.

166960481 is a deficient number, since it is larger than the sum of its proper divisors (1).

166960481 is an equidigital number, since it uses as much as digits as its factorization.

166960481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 166960481 is about 12921.3188568350. The cubic root of 166960481 is about 550.6444028228.

The spelling of 166960481 in words is "one hundred sixty-six million, nine hundred sixty thousand, four hundred eighty-one".