165054306280 has 64 divisors (see below), whose sum is σ = 393526175040. Its totient is φ = 62089331712.

The previous prime is 165054306271. The next prime is 165054306293. The reversal of 165054306280 is 82603450561.

165054306280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777847 + ... + 967033.

It is an arithmetic number, because the mean of its divisors is an integer number (6148846485).

Almost surely, 2^165054306280 is an apocalyptic number.

165054306280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165054306280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196763087520).

165054306280 is an abundant number, since it is smaller than the sum of its proper divisors (228471868760).

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

165054306280 is a wasteful number, since it uses less digits than its factorization.

165054306280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190498 (or 190494 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 165054306280 in words is "one hundred sixty-five billion, fifty-four million, three hundred six thousand, two hundred eighty".