166033023 has 16 divisors (see below), whose sum is σ = 244851936. Its totient is φ = 99411840.

The previous prime is 166032989. The next prime is 166033027. The reversal of 166033023 is 320330661.

It is not a de Polignac number, because 166033023 - 2¹⁷ = 165901951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166032984 and 166033002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166033027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56088 + ... + 58973.

It is an arithmetic number, because the mean of its divisors is an integer number (15303246).

Almost surely, 2^166033023 is an apocalyptic number.

166033023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

166033023 is a deficient number, since it is larger than the sum of its proper divisors (78818913).

166033023 is a wasteful number, since it uses less digits than its factorization.

166033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115114.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 166033023 is about 12885.3802039366. The cubic root of 166033023 is about 549.6229073559.

Adding to 166033023 its reverse (320330661), we get a palindrome (486363684).

The spelling of 166033023 in words is "one hundred sixty-six million, thirty-three thousand, twenty-three".