101666160 has 120 divisors (see below), whose sum is σ = 343259280. Its totient is φ = 26966016.

The previous prime is 101666099. The next prime is 101666179. The reversal of 101666160 is 61666101.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 242431 + ... + 242849.

It is an arithmetic number, because the mean of its divisors is an integer number (2860494).

Almost surely, 2^101666160 is an apocalyptic number.

101666160 is a gapful number since it is divisible by the number (10) 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 101666160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171629640).

101666160 is an abundant number, since it is smaller than the sum of its proper divisors (241593120).

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

101666160 is a wasteful number, since it uses less digits than its factorization.

101666160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 101666160 is about 10082.9638499798. The cubic root of 101666160 is about 466.7225738009.

It can be divided in two parts, 1016 and 66160, that added together give a palindrome (67176).

The spelling of 101666160 in words is "one hundred one million, six hundred sixty-six thousand, one hundred sixty".