165436550167 has 8 divisors (see below), whose sum is σ = 189085104000. Its totient is φ = 141791686584.

The previous prime is 165436550143. The next prime is 165436550233. The reversal of 165436550167 is 761055634561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165436550167 - 2³⁵ = 131076811799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165436550167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165436550137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825817 + ... + 1006402.

It is an arithmetic number, because the mean of its divisors is an integer number (23635638000).

Almost surely, 2^165436550167 is an apocalyptic number.

165436550167 is a deficient number, since it is larger than the sum of its proper divisors (23648553833).

165436550167 is a wasteful number, since it uses less digits than its factorization.

165436550167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845125.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 165436550167 in words is "one hundred sixty-five billion, four hundred thirty-six million, five hundred fifty thousand, one hundred sixty-seven".