660230370 has 48 divisors (see below), whose sum is σ = 1720430712. Its totient is φ = 175668480.

The previous prime is 660230357. The next prime is 660230371. The reversal of 660230370 is 73032066.

660230370 is a `hidden beast` number, since 6 + 60 + 230 + 370 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 566392401 + 93837969 = 23799^2 + 9687^2 .

It is not an unprimeable number, because it can be changed into a prime (660230371) 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, 33534 + ... + 49446.

Almost surely, 2^660230370 is an apocalyptic number.

660230370 is an abundant number, since it is smaller than the sum of its proper divisors (1060200342).

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

660230370 is a wasteful number, since it uses less digits than its factorization.

660230370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16387 (or 16384 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 660230370 is about 25694.9483362003. The cubic root of 660230370 is about 870.7600571622.

The spelling of 660230370 in words is "six hundred sixty million, two hundred thirty thousand, three hundred seventy".