161550165061167 has 16 divisors (see below), whose sum is σ = 228200924538720. Its totient is φ = 101306985772032.

The previous prime is 161550165061157. The next prime is 161550165061211. The reversal of 161550165061167 is 761160561055161.

It is not a de Polignac number, because 161550165061167 - 2¹⁰ = 161550165060143 is a prime.

It is a super-3 number, since 3×161550165061167³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161550165061157) 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, 903404692 + ... + 903583497.

It is an arithmetic number, because the mean of its divisors is an integer number (14262557783670).

Almost surely, 2^{161550165061167} is an apocalyptic number.

161550165061167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

161550165061167 is a deficient number, since it is larger than the sum of its proper divisors (66650759477553).

161550165061167 is a wasteful number, since it uses less digits than its factorization.

161550165061167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806989962.

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 161550165061167 in words is "one hundred sixty-one trillion, five hundred fifty billion, one hundred sixty-five million, sixty-one thousand, one hundred sixty-seven".