165030441345720 has 320 divisors, whose sum is σ = 562828603550400. Its totient is φ = 43362793635840.

The previous prime is 165030441345703. The next prime is 165030441345743. The reversal of 165030441345720 is 27543144030561.

165030441345720 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 3 + 0 + 4 + 41 + 34 + 572 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 392928472 + ... + 393348248.

It is an arithmetic number, because the mean of its divisors is an integer number (1758839386095).

Almost surely, 2^{165030441345720} is an apocalyptic number.

165030441345720 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 165030441345720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281414301775200).

165030441345720 is an abundant number, since it is smaller than the sum of its proper divisors (397798162204680).

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

165030441345720 is a wasteful number, since it uses less digits than its factorization.

165030441345720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421580 (or 421567 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 165030441345720 in words is "one hundred sixty-five trillion, thirty billion, four hundred forty-one million, three hundred forty-five thousand, seven hundred twenty".