160728321600 has 1344 divisors, whose sum is σ = 737157580800. Its totient is φ = 33094656000.

The previous prime is 160728321599. The next prime is 160728321613. The reversal of 160728321600 is 6123827061.

160728321600 is a `hidden beast` number, since 1 + 6 + 0 + 7 + 28 + 3 + 21 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 701870286 + ... + 701870514.

Almost surely, 2^160728321600 is an apocalyptic number.

160728321600 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 160728321600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368578790400).

160728321600 is an abundant number, since it is smaller than the sum of its proper divisors (576429259200).

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

160728321600 is a wasteful number, since it uses less digits than its factorization.

160728321600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 160728321600 in words is "one hundred sixty billion, seven hundred twenty-eight million, three hundred twenty-one thousand, six hundred".