660759464 has 16 divisors (see below), whose sum is σ = 1265284800. Its totient is φ = 323350192.

The previous prime is 660759439. The next prime is 660759469. The reversal of 660759464 is 464957066.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (660759469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878294 + ... + 879045.

It is an arithmetic number, because the mean of its divisors is an integer number (79080300).

Almost surely, 2^660759464 is an apocalyptic number.

It is an amenable number.

660759464 is a deficient number, since it is larger than the sum of its proper divisors (604525336).

660759464 is a wasteful number, since it uses less digits than its factorization.

660759464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757392 (or 1757388 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 660759464 is about 25705.2419556790. The cubic root of 660759464 is about 870.9925976656.

The spelling of 660759464 in words is "six hundred sixty million, seven hundred fifty-nine thousand, four hundred sixty-four".