660525070 has 32 divisors (see below), whose sum is σ = 1219354560. Its totient is φ = 257537280.

The previous prime is 660525053. The next prime is 660525079. The reversal of 660525070 is 70525066.

660525070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660525079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57964 + ... + 68416.

It is an arithmetic number, because the mean of its divisors is an integer number (38104830).

Almost surely, 2^660525070 is an apocalyptic number.

660525070 is a deficient number, since it is larger than the sum of its proper divisors (558829490).

660525070 is a wasteful number, since it uses less digits than its factorization.

660525070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10620.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 660525070 is about 25700.6822866631. The cubic root of 660525070 is about 870.8895951888.

The spelling of 660525070 in words is "six hundred sixty million, five hundred twenty-five thousand, seventy".