160728163920 has 800 divisors, whose sum is σ = 617967947520. Its totient is φ = 38575595520.

The previous prime is 160728163903. The next prime is 160728164017. The reversal of 160728163920 is 29361827061.

160728163920 is a `hidden beast` number, since 1 + 6 + 0 + 7 + 2 + 8 + 1 + 639 + 2 + 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 159 ways as a sum of consecutive naturals, for example, 177208107 + ... + 177209013.

Almost surely, 2^160728163920 is an apocalyptic number.

160728163920 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 160728163920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308983973760).

160728163920 is an abundant number, since it is smaller than the sum of its proper divisors (457239783600).

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

160728163920 is a wasteful number, since it uses less digits than its factorization.

160728163920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 160728163920 in words is "one hundred sixty billion, seven hundred twenty-eight million, one hundred sixty-three thousand, nine hundred twenty".