165015550161014 has 16 divisors (see below), whose sum is σ = 288902604538368. Its totient is φ = 69216249003432.

The previous prime is 165015550161013. The next prime is 165015550161019. The reversal of 165015550161014 is 410161055510561.

It is a happy number.

It is a super-2 number, since 2×165015550161014² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165015550161013) 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, 125391754784 + ... + 125391756099.

It is an arithmetic number, because the mean of its divisors is an integer number (18056412783648).

Almost surely, 2^{165015550161014} is an apocalyptic number.

165015550161014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165015550161014 is a deficient number, since it is larger than the sum of its proper divisors (123887054377354).

165015550161014 is a wasteful number, since it uses less digits than its factorization.

165015550161014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250783510939.

The product of its (nonzero) digits is 90000, while the sum is 41.

The spelling of 165015550161014 in words is "one hundred sixty-five trillion, fifteen billion, five hundred fifty million, one hundred sixty-one thousand, fourteen".