166452353 has 4 divisors (see below), whose sum is σ = 166486320. Its totient is φ = 166418388.

The previous prime is 166452323. The next prime is 166452367. The reversal of 166452353 is 353254661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353254661 = 5231 ⋅67531.

It is a cyclic number.

It is not a de Polignac number, because 166452353 - 2¹² = 166448257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166452323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8075 + ... + 19952.

It is an arithmetic number, because the mean of its divisors is an integer number (41621580).

Almost surely, 2^166452353 is an apocalyptic number.

It is an amenable number.

166452353 is a deficient number, since it is larger than the sum of its proper divisors (33967).

166452353 is an equidigital number, since it uses as much as digits as its factorization.

166452353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33966.

The product of its digits is 64800, while the sum is 35.

The square root of 166452353 is about 12901.6414847104. The cubic root of 166452353 is about 550.0852242591.

The spelling of 166452353 in words is "one hundred sixty-six million, four hundred fifty-two thousand, three hundred fifty-three".