166346334 has 96 divisors (see below), whose sum is σ = 452065536. Its totient is φ = 42946560.

The previous prime is 166346333. The next prime is 166346351. The reversal of 166346334 is 433643661.

166346334 is a `hidden beast` number, since 16 + 6 + 3 + 4 + 633 + 4 = 666.

It is a super-2 number, since 2×166346334² = 55342205670479112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166346333) 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 47 ways as a sum of consecutive naturals, for example, 355969 + ... + 356435.

It is an arithmetic number, because the mean of its divisors is an integer number (4709016).

Almost surely, 2^166346334 is an apocalyptic number.

166346334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166346334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226032768).

166346334 is an abundant number, since it is smaller than the sum of its proper divisors (285719202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166346334 is a wasteful number, since it uses less digits than its factorization.

166346334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 747 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 166346334 is about 12897.5320895123. The cubic root of 166346334 is about 549.9684103069.

Adding to 166346334 its reverse (433643661), we get a palindrome (599989995).

The spelling of 166346334 in words is "one hundred sixty-six million, three hundred forty-six thousand, three hundred thirty-four".