165381449080848 has 320 divisors, whose sum is σ = 577817869289472. Its totient is φ = 39362464419840.

The previous prime is 165381449080847. The next prime is 165381449080879. The reversal of 165381449080848 is 848080944183561.

It is a super-2 number, since 2×165381449080848² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165381449080843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5979486 + ... + 19144637.

Almost surely, 2^{165381449080848} is an apocalyptic number.

It is an amenable number.

165381449080848 is an abundant number, since it is smaller than the sum of its proper divisors (412436420208624).

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

165381449080848 is a wasteful number, since it uses less digits than its factorization.

165381449080848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25124302 (or 25124296 counting only the distinct ones).

The product of its (nonzero) digits is 212336640, while the sum is 69.

The spelling of 165381449080848 in words is "one hundred sixty-five trillion, three hundred eighty-one billion, four hundred forty-nine million, eighty thousand, eight hundred forty-eight".