166032841 has 4 divisors (see below), whose sum is σ = 178804612. Its totient is φ = 153261072.

The previous prime is 166032817. The next prime is 166032851. The reversal of 166032841 is 148230661.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39942400 + 126090441 = 6320^2 + 11229^2 .

It is a cyclic number.

It is not a de Polignac number, because 166032841 - 2⁵ = 166032809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166032851) 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, 6385866 + ... + 6385891.

It is an arithmetic number, because the mean of its divisors is an integer number (44701153).

Almost surely, 2^166032841 is an apocalyptic number.

It is an amenable number.

166032841 is a deficient number, since it is larger than the sum of its proper divisors (12771771).

166032841 is a wasteful number, since it uses less digits than its factorization.

166032841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771770.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 166032841 is about 12885.3731416673. The cubic root of 166032841 is about 549.6227065296.

The spelling of 166032841 in words is "one hundred sixty-six million, thirty-two thousand, eight hundred forty-one".