33166001 has 16 divisors (see below), whose sum is σ = 39321600. Its totient is φ = 27637200.

The previous prime is 33165989. The next prime is 33166009. The reversal of 33166001 is 10066133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33166001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33166009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3920 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (2457600).

Almost surely, 2^33166001 is an apocalyptic number.

33166001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

33166001 is the 2576-th centered decagonal number.

It is an amenable number.

33166001 is a deficient number, since it is larger than the sum of its proper divisors (6155599).

33166001 is a wasteful number, since it uses less digits than its factorization.

33166001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 33166001 is about 5758.9930543455. The cubic root of 33166001 is about 321.2903659149.

The spelling of 33166001 in words is "thirty-three million, one hundred sixty-six thousand, one".