166700016 has 120 divisors (see below), whose sum is σ = 542405760. Its totient is φ = 46804608.

The previous prime is 166700003. The next prime is 166700069. The reversal of 166700016 is 610007661.

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 in 23 ways as a sum of consecutive naturals, for example, 58071 + ... + 60873.

It is an arithmetic number, because the mean of its divisors is an integer number (4520048).

Almost surely, 2^166700016 is an apocalyptic number.

166700016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166700016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271202880).

166700016 is an abundant number, since it is smaller than the sum of its proper divisors (375705744).

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

166700016 is a wasteful number, since it uses less digits than its factorization.

166700016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 166700016 is about 12911.2360368789. The cubic root of 166700016 is about 550.3579113920.

Adding to 166700016 its reverse (610007661), we get a palindrome (776707677).

The spelling of 166700016 in words is "one hundred sixty-six million, seven hundred thousand, sixteen".