165376580272 has 20 divisors (see below), whose sum is σ = 320428397520. Its totient is φ = 82685380928.

The previous prime is 165376580267. The next prime is 165376580273. The reversal of 165376580272 is 272085673561.

It is a happy number.

It is a super-3 number, since 3×165376580272³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (165376580273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330978 + ... + 663550.

It is an arithmetic number, because the mean of its divisors is an integer number (16021419876).

Almost surely, 2^165376580272 is an apocalyptic number.

It is an amenable number.

165376580272 is a deficient number, since it is larger than the sum of its proper divisors (155051817248).

165376580272 is a wasteful number, since it uses less digits than its factorization.

165376580272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363660 (or 363654 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 165376580272 in words is "one hundred sixty-five billion, three hundred seventy-six million, five hundred eighty thousand, two hundred seventy-two".