165181747003 has 24 divisors (see below), whose sum is σ = 207468757248. Its totient is φ = 128742543072.

The previous prime is 165181746911. The next prime is 165181747039. The reversal of 165181747003 is 300747181561.

It is not a de Polignac number, because 165181747003 - 2³⁷ = 27742793531 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165181747403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962751 + ... + 1121272.

It is an arithmetic number, because the mean of its divisors is an integer number (8644531552).

Almost surely, 2^165181747003 is an apocalyptic number.

165181747003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165181747003 is a deficient number, since it is larger than the sum of its proper divisors (42287010245).

165181747003 is a wasteful number, since it uses less digits than its factorization.

165181747003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084123 (or 2084110 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 165181747003 in words is "one hundred sixty-five billion, one hundred eighty-one million, seven hundred forty-seven thousand, three".