960066640 has 40 divisors (see below), whose sum is σ = 2403861768. Its totient is φ = 354485760.

The previous prime is 960066631. The next prime is 960066647. The reversal of 960066640 is 46660069.

It can be written as a sum of positive squares in 4 ways, for example, as 8714304 + 951352336 = 2952^2 + 30844^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 960066640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (960066647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460531 + ... + 462610.

Almost surely, 2^960066640 is an apocalyptic number.

It is an amenable number.

960066640 is an abundant number, since it is smaller than the sum of its proper divisors (1443795128).

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

960066640 is a wasteful number, since it uses less digits than its factorization.

960066640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923167 (or 923161 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 960066640 is about 30984.9421493731. The cubic root of 960066640 is about 986.5076553669.

The spelling of 960066640 in words is "nine hundred sixty million, sixty-six thousand, six hundred forty".