166732297165 has 32 divisors (see below), whose sum is σ = 229304275200. Its totient is φ = 114009638400.

The previous prime is 166732297129. The next prime is 166732297217. The reversal of 166732297165 is 561792237661.

It is a happy number.

166732297165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166732297165 - 2¹⁹ = 166731772877 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 31 ways as a sum of consecutive naturals, for example, 40674286 + ... + 40678384.

It is an arithmetic number, because the mean of its divisors is an integer number (7165758600).

Almost surely, 2^166732297165 is an apocalyptic number.

It is an amenable number.

166732297165 is a deficient number, since it is larger than the sum of its proper divisors (62571978035).

166732297165 is a wasteful number, since it uses less digits than its factorization.

166732297165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093.

The product of its digits is 5715360, while the sum is 55.

The spelling of 166732297165 in words is "one hundred sixty-six billion, seven hundred thirty-two million, two hundred ninety-seven thousand, one hundred sixty-five".