660601464 has 32 divisors (see below), whose sum is σ = 1655838720. Its totient is φ = 219622496.

The previous prime is 660601463. The next prime is 660601639. The reversal of 660601464 is 464106066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660601463) 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, 26742 + ... + 45125.

It is an arithmetic number, because the mean of its divisors is an integer number (51744960).

Almost surely, 2^660601464 is an apocalyptic number.

It is an amenable number.

660601464 is an abundant number, since it is smaller than the sum of its proper divisors (995237256).

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

660601464 is a wasteful number, since it uses less digits than its factorization.

660601464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72259 (or 72255 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 660601464 is about 25702.1684688277. The cubic root of 660601464 is about 870.9231685675.

The spelling of 660601464 in words is "six hundred sixty million, six hundred one thousand, four hundred sixty-four".