165143165363164 has 24 divisors (see below), whose sum is σ = 306004889988000. Its totient is φ = 77713333902336.

The previous prime is 165143165363159. The next prime is 165143165363167. The reversal of 165143165363164 is 461363561341561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165143165363167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12274957 + ... + 21930820.

It is an arithmetic number, because the mean of its divisors is an integer number (12750203749500).

Almost surely, 2^{165143165363164} is an apocalyptic number.

It is an amenable number.

165143165363164 is a deficient number, since it is larger than the sum of its proper divisors (140861724624836).

165143165363164 is a wasteful number, since it uses less digits than its factorization.

165143165363164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34276797 (or 34276795 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 55.

The spelling of 165143165363164 in words is "one hundred sixty-five trillion, one hundred forty-three billion, one hundred sixty-five million, three hundred sixty-three thousand, one hundred sixty-four".