166075353 has 20 divisors (see below), whose sum is σ = 248755188. Its totient is φ = 110419200.

The previous prime is 166075307. The next prime is 166075421. The reversal of 166075353 is 353570661.

It is a happy number.

166075353 is a `hidden beast` number, since 16 + 607 + 5 + 35 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82955664 + 83119689 = 9108^2 + 9117^2 .

It is not a de Polignac number, because 166075353 - 2⁸ = 166075097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166075303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29925 + ... + 35037.

Almost surely, 2^166075353 is an apocalyptic number.

It is an amenable number.

166075353 is a deficient number, since it is larger than the sum of its proper divisors (82679835).

166075353 is an equidigital number, since it uses as much as digits as its factorization.

166075353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526 (or 5517 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 166075353 is about 12887.0226584731. The cubic root of 166075353 is about 549.6696120422.

The spelling of 166075353 in words is "one hundred sixty-six million, seventy-five thousand, three hundred fifty-three".