160665120 has 720 divisors, whose sum is σ = 750835008. Its totient is φ = 31933440.

The previous prime is 160665103. The next prime is 160665139. The reversal of 160665120 is 21566061.

It is a happy number.

160665120 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 651 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×160665120² = 51626561569228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6985429 + ... + 6985451.

Almost surely, 2^160665120 is an apocalyptic number.

160665120 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 160665120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375417504).

160665120 is an abundant number, since it is smaller than the sum of its proper divisors (590169888).

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

160665120 is a wasteful number, since it uses less digits than its factorization.

160665120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 160665120 is about 12675.3745506790. The cubic root of 160665120 is about 543.6347389463.

The spelling of 160665120 in words is "one hundred sixty million, six hundred sixty-five thousand, one hundred twenty".