165275276540 has 24 divisors (see below), whose sum is σ = 378630634032. Its totient is φ = 60100100480.

The previous prime is 165275276473. The next prime is 165275276563. The reversal of 165275276540 is 45672572561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375625409 + ... + 375625848.

It is an arithmetic number, because the mean of its divisors is an integer number (15776276418).

Almost surely, 2^165275276540 is an apocalyptic number.

165275276540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165275276540 is an abundant number, since it is smaller than the sum of its proper divisors (213355357492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165275276540 is a wasteful number, since it uses less digits than its factorization.

165275276540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751251277 (or 751251275 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 165275276540 in words is "one hundred sixty-five billion, two hundred seventy-five million, two hundred seventy-six thousand, five hundred forty".