166016033 has 8 divisors (see below), whose sum is σ = 176085000. Its totient is φ = 155980800.

The previous prime is 166016027. The next prime is 166016041. The reversal of 166016033 is 330610661.

166016033 = 3117² + 3118² + ... + 3133².

It can be written as a sum of positive squares in 4 ways, for example, as 81504784 + 84511249 = 9028^2 + 9193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166016033 - 2¹⁰ = 166015009 is a prime.

It is a super-2 number, since 2×166016033² = 55122646426114178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166015993 and 166016011.

It is not an unprimeable number, because it can be changed into a prime (166016233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (22010625).

Almost surely, 2^166016033 is an apocalyptic number.

It is an amenable number.

166016033 is a deficient number, since it is larger than the sum of its proper divisors (10068967).

166016033 is a wasteful number, since it uses less digits than its factorization.

166016033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16867.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 166016033 is about 12884.7209127711. The cubic root of 166016033 is about 549.6041592548.

Adding to 166016033 its reverse (330610661), we get a palindrome (496626694).

The spelling of 166016033 in words is "one hundred sixty-six million, sixteen thousand, thirty-three".