160621440000 has 1760 divisors, whose sum is σ = 699849976320. Its totient is φ = 31850496000.

The previous prime is 160621439969. The next prime is 160621440041. The reversal of 160621440000 is 44126061.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4341119982 + ... + 4341120018.

It is an arithmetic number, because the mean of its divisors is an integer number (397642032).

Almost surely, 2^160621440000 is an apocalyptic number.

160621440000 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 160621440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349924988160).

160621440000 is an abundant number, since it is smaller than the sum of its proper divisors (539228536320).

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

160621440000 is a wasteful number, since it uses less digits than its factorization.

160621440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 160621440000 its reverse (44126061), we get a palindrome (160665566061).

The spelling of 160621440000 in words is "one hundred sixty billion, six hundred twenty-one million, four hundred forty thousand".