166369413723 has 16 divisors (see below), whose sum is σ = 223451491200. Its totient is φ = 110100352320.

The previous prime is 166369413713. The next prime is 166369413737. The reversal of 166369413723 is 327314963661.

It is not a de Polignac number, because 166369413723 - 2²⁰ = 166368365147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166369413703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3755583 + ... + 3799623.

It is an arithmetic number, because the mean of its divisors is an integer number (13965718200).

Almost surely, 2^166369413723 is an apocalyptic number.

166369413723 is a deficient number, since it is larger than the sum of its proper divisors (57082077477).

166369413723 is a wasteful number, since it uses less digits than its factorization.

166369413723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53242.

The product of its digits is 2939328, while the sum is 51.

The spelling of 166369413723 in words is "one hundred sixty-six billion, three hundred sixty-nine million, four hundred thirteen thousand, seven hundred twenty-three".