166033534 has 4 divisors (see below), whose sum is σ = 249050304. Its totient is φ = 83016766.

The previous prime is 166033529. The next prime is 166033547. The reversal of 166033534 is 435330661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435330661 = 41 ⋅10617821.

It is a junction number, because it is equal to n+sod(n) for n = 166033496 and 166033505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41508382 + ... + 41508385.

It is an arithmetic number, because the mean of its divisors is an integer number (62262576).

Almost surely, 2^166033534 is an apocalyptic number.

166033534 is a deficient number, since it is larger than the sum of its proper divisors (83016770).

166033534 is an equidigital number, since it uses as much as digits as its factorization.

166033534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83016769.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 166033534 is about 12885.4000325950. The cubic root of 166033534 is about 549.6234712137.

The spelling of 166033534 in words is "one hundred sixty-six million, thirty-three thousand, five hundred thirty-four".