166381100110 has 16 divisors (see below), whose sum is σ = 301393537056. Its totient is φ = 66128538528.

The previous prime is 166381100071. The next prime is 166381100131. The reversal of 166381100110 is 11001183661.

166381100110 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52986042 + ... + 52989181.

It is an arithmetic number, because the mean of its divisors is an integer number (18837096066).

Almost surely, 2^166381100110 is an apocalyptic number.

166381100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166381100110 is a deficient number, since it is larger than the sum of its proper divisors (135012436946).

166381100110 is a wasteful number, since it uses less digits than its factorization.

166381100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105975387.

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 166381100110 its reverse (11001183661), we get a palindrome (177382283771).

The spelling of 166381100110 in words is "one hundred sixty-six billion, three hundred eighty-one million, one hundred thousand, one hundred ten".