166753241 has 2 divisors, whose sum is σ = 166753242. Its totient is φ = 166753240.

The previous prime is 166753231. The next prime is 166753261. The reversal of 166753241 is 142357661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158659216 + 8094025 = 12596^2 + 2845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166753241 is a prime.

It is not a weakly prime, because it can be changed into another prime (166753231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83376620 + 83376621.

It is an arithmetic number, because the mean of its divisors is an integer number (83376621).

Almost surely, 2^166753241 is an apocalyptic number.

It is an amenable number.

166753241 is a deficient number, since it is larger than the sum of its proper divisors (1).

166753241 is an equidigital number, since it uses as much as digits as its factorization.

166753241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 166753241 is about 12913.2970615564. The cubic root of 166753241 is about 550.4164790384.

The spelling of 166753241 in words is "one hundred sixty-six million, seven hundred fifty-three thousand, two hundred forty-one".