165061613175 has 24 divisors (see below), whose sum is σ = 287265125760. Its totient is φ = 83399551200.

The previous prime is 165061613153. The next prime is 165061613191. The reversal of 165061613175 is 571316160561.

It is not a de Polignac number, because 165061613175 - 2⁶ = 165061613111 is a prime.

It is a super-2 number, since 2×165061613175² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57914931 + ... + 57917780.

It is an arithmetic number, because the mean of its divisors is an integer number (11969380240).

Almost surely, 2^165061613175 is an apocalyptic number.

165061613175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165061613175 is a deficient number, since it is larger than the sum of its proper divisors (122203512585).

165061613175 is a wasteful number, since it uses less digits than its factorization.

165061613175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115832743 (or 115832738 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 165061613175 in words is "one hundred sixty-five billion, sixty-one million, six hundred thirteen thousand, one hundred seventy-five".