660375342 has 48 divisors (see below), whose sum is σ = 1618710912. Its totient is φ = 200112120.

The previous prime is 660375341. The next prime is 660375407. The reversal of 660375342 is 243573066.

660375342 is a `hidden beast` number, since 6 + 603 + 7 + 5 + 3 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 660375297 and 660375306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660375341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56418 + ... + 67109.

It is an arithmetic number, because the mean of its divisors is an integer number (33723144).

Almost surely, 2^660375342 is an apocalyptic number.

660375342 is an abundant number, since it is smaller than the sum of its proper divisors (958335570).

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

660375342 is a wasteful number, since it uses less digits than its factorization.

660375342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123555 (or 123543 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 660375342 is about 25697.7692027927. The cubic root of 660375342 is about 870.8237857203.

The spelling of 660375342 in words is "six hundred sixty million, three hundred seventy-five thousand, three hundred forty-two".