166352938 has 8 divisors (see below), whose sum is σ = 249621120. Its totient is φ = 83145900.

The previous prime is 166352933. The next prime is 166352981. The reversal of 166352938 is 839253661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 166352894 and 166352903.

It is not an unprimeable number, because it can be changed into a prime (166352933) 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 3 ways as a sum of consecutive naturals, for example, 7738 + ... + 19813.

It is an arithmetic number, because the mean of its divisors is an integer number (31202640).

Almost surely, 2^166352938 is an apocalyptic number.

166352938 is a deficient number, since it is larger than the sum of its proper divisors (83268182).

166352938 is a wasteful number, since it uses less digits than its factorization.

166352938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30572.

The product of its digits is 233280, while the sum is 43.

The square root of 166352938 is about 12897.7881049426. The cubic root of 166352938 is about 549.9756881816.

The spelling of 166352938 in words is "one hundred sixty-six million, three hundred fifty-two thousand, nine hundred thirty-eight".