720166960 has 20 divisors (see below), whose sum is σ = 1674388368. Its totient is φ = 288066752.

The previous prime is 720166943. The next prime is 720166991. The reversal of 720166960 is 69661027.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4500964 + ... + 4501123.

Almost surely, 2^720166960 is an apocalyptic number.

It is an amenable number.

720166960 is an abundant number, since it is smaller than the sum of its proper divisors (954221408).

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

720166960 is a wasteful number, since it uses less digits than its factorization.

720166960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002100 (or 9002094 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 720166960 is about 26835.9266655728. The cubic root of 720166960 is about 896.3502231549.

The spelling of 720166960 in words is "seven hundred twenty million, one hundred sixty-six thousand, nine hundred sixty".