160440489504 has 216 divisors, whose sum is σ = 474867299088. Its totient is φ = 53357201280.

The previous prime is 160440489497. The next prime is 160440489509. The reversal of 160440489504 is 405984044061.

160440489504 is a `hidden beast` number, since 1 + 60 + 4 + 4 + 0 + 4 + 89 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 160440489504.

It is not an unprimeable number, because it can be changed into a prime (160440489509) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165231739 + ... + 165232709.

It is an arithmetic number, because the mean of its divisors is an integer number (2198459718).

Almost surely, 2^160440489504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160440489504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237433649544).

160440489504 is an abundant number, since it is smaller than the sum of its proper divisors (314426809584).

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

160440489504 is an frugal number, since it uses more digits than its factorization.

160440489504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 160440489504 in words is "one hundred sixty billion, four hundred forty million, four hundred eighty-nine thousand, five hundred four".