166775141 has 12 divisors (see below), whose sum is σ = 189559692. Its totient is φ = 145839744.

The previous prime is 166775111. The next prime is 166775171. The reversal of 166775141 is 141577661.

166775141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166775111) and next prime (166775171).

It can be written as a sum of positive squares in 2 ways, for example, as 79744900 + 87030241 = 8930^2 + 9329^2 .

It is not a de Polignac number, because 166775141 - 2¹⁰ = 166774117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166775095 and 166775104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166775101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13076 + ... + 22461.

It is an arithmetic number, because the mean of its divisors is an integer number (15796641).

Almost surely, 2^166775141 is an apocalyptic number.

It is an amenable number.

166775141 is a deficient number, since it is larger than the sum of its proper divisors (22784551).

166775141 is a wasteful number, since it uses less digits than its factorization.

166775141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35588 (or 35569 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 166775141 is about 12914.1449968629. The cubic root of 166775141 is about 550.4405737090.

The spelling of 166775141 in words is "one hundred sixty-six million, seven hundred seventy-five thousand, one hundred forty-one".