660601032 has 128 divisors (see below), whose sum is σ = 2121154560. Its totient is φ = 166636800.

The previous prime is 660600971. The next prime is 660601043. The reversal of 660601032 is 230106066.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 660600993 and 660601011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43657 + ... + 56807.

It is an arithmetic number, because the mean of its divisors is an integer number (16571520).

Almost surely, 2^660601032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660601032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060577280).

660601032 is an abundant number, since it is smaller than the sum of its proper divisors (1460553528).

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

660601032 is a wasteful number, since it uses less digits than its factorization.

660601032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203 (or 13199 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 660601032 is about 25702.1600648661. The cubic root of 660601032 is about 870.9229787209.

Adding to 660601032 its reverse (230106066), we get a palindrome (890707098).

The spelling of 660601032 in words is "six hundred sixty million, six hundred one thousand, thirty-two".