166852061 has 4 divisors (see below), whose sum is σ = 167725824. Its totient is φ = 165978300.

The previous prime is 166852039. The next prime is 166852067. The reversal of 166852061 is 160258661.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 166852061 - 2¹⁰ = 166851037 is a prime.

It is a super-2 number, since 2×166852061² = 55679220519895442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166852067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436595 + ... + 436976.

It is an arithmetic number, because the mean of its divisors is an integer number (41931456).

Almost surely, 2^166852061 is an apocalyptic number.

It is an amenable number.

166852061 is a deficient number, since it is larger than the sum of its proper divisors (873763).

166852061 is an equidigital number, since it uses as much as digits as its factorization.

166852061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873762.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 166852061 is about 12917.1227833446. The cubic root of 166852061 is about 550.5251854023.

The spelling of 166852061 in words is "one hundred sixty-six million, eight hundred fifty-two thousand, sixty-one".