166452434 has 16 divisors (see below), whose sum is σ = 252485376. Its totient is φ = 82296000.

The previous prime is 166452401. The next prime is 166452443. The reversal of 166452434 is 434254661.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 166452394 and 166452403.

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 in 7 ways as a sum of consecutive naturals, for example, 71639 + ... + 73925.

It is an arithmetic number, because the mean of its divisors is an integer number (15780336).

Almost surely, 2^166452434 is an apocalyptic number.

166452434 is a deficient number, since it is larger than the sum of its proper divisors (86032942).

166452434 is a wasteful number, since it uses less digits than its factorization.

166452434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681.

The product of its digits is 69120, while the sum is 35.

The square root of 166452434 is about 12901.6446238454. The cubic root of 166452434 is about 550.0853134876.

The spelling of 166452434 in words is "one hundred sixty-six million, four hundred fifty-two thousand, four hundred thirty-four".