166000329 has 12 divisors (see below), whose sum is σ = 261576432. Its totient is φ = 100606200.

The previous prime is 166000313. The next prime is 166000357. The reversal of 166000329 is 923000661.

It is a happy number.

It is not a de Polignac number, because 166000329 - 2⁴ = 166000313 is a prime.

It is a super-2 number, since 2×166000329² = 55112218456216482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166000369) 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, 838287 + ... + 838484.

It is an arithmetic number, because the mean of its divisors is an integer number (21798036).

Almost surely, 2^166000329 is an apocalyptic number.

It is an amenable number.

166000329 is a deficient number, since it is larger than the sum of its proper divisors (95576103).

166000329 is a wasteful number, since it uses less digits than its factorization.

166000329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676788 (or 1676785 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 166000329 is about 12884.1114943949. Note that the first 3 decimals coincide. The cubic root of 166000329 is about 549.5868290895.

The spelling of 166000329 in words is "one hundred sixty-six million, three hundred twenty-nine", and thus it is an aban number.