166244162404103 has 16 divisors (see below), whose sum is σ = 193950166977600. Its totient is φ = 142436619964800.

The previous prime is 166244162404093. The next prime is 166244162404123. The reversal of 166244162404103 is 301404261442661.

It is a happy number.

It is not a de Polignac number, because 166244162404103 - 2⁶ = 166244162404039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166244162404123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98441078 + ... + 100115603.

It is an arithmetic number, because the mean of its divisors is an integer number (12121885436100).

Almost surely, 2^{166244162404103} is an apocalyptic number.

166244162404103 is a deficient number, since it is larger than the sum of its proper divisors (27706004573497).

166244162404103 is an equidigital number, since it uses as much as digits as its factorization.

166244162404103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198559143 (or 198559129 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 166244162404103 in words is "one hundred sixty-six trillion, two hundred forty-four billion, one hundred sixty-two million, four hundred four thousand, one hundred three".