166600016 has 40 divisors (see below), whose sum is σ = 356983104. Its totient is φ = 74684160.

The previous prime is 166600013. The next prime is 166600117. The reversal of 166600016 is 610006661.

166600016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166600013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6365 + ... + 19331.

Almost surely, 2^166600016 is an apocalyptic number.

166600016 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 166600016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178491552).

166600016 is an abundant number, since it is smaller than the sum of its proper divisors (190383088).

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

166600016 is a wasteful number, since it uses less digits than its factorization.

166600016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059 (or 13053 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 166600016 is about 12907.3628600113. The cubic root of 166600016 is about 550.2478398173.

Adding to 166600016 its reverse (610006661), we get a palindrome (776606677).

The spelling of 166600016 in words is "one hundred sixty-six million, six hundred thousand, sixteen".