166352123 has 16 divisors (see below), whose sum is σ = 210055680. Its totient is φ = 128363136.

The previous prime is 166352101. The next prime is 166352141. The reversal of 166352123 is 321253661.

It is a cyclic number.

It is not a de Polignac number, because 166352123 - 2¹⁶ = 166286587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166351123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27653 + ... + 33126.

It is an arithmetic number, because the mean of its divisors is an integer number (13128480).

Almost surely, 2^166352123 is an apocalyptic number.

166352123 is a deficient number, since it is larger than the sum of its proper divisors (43703557).

166352123 is a wasteful number, since it uses less digits than its factorization.

166352123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60826.

The product of its digits is 6480, while the sum is 29.

The square root of 166352123 is about 12897.7565103393. The cubic root of 166352123 is about 549.9747900291.

The spelling of 166352123 in words is "one hundred sixty-six million, three hundred fifty-two thousand, one hundred twenty-three".