660252070 has 8 divisors (see below), whose sum is σ = 1188453744. Its totient is φ = 264100824.

The previous prime is 660252031. The next prime is 660252083. The reversal of 660252070 is 70252066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33012594 + ... + 33012613.

It is an arithmetic number, because the mean of its divisors is an integer number (148556718).

Almost surely, 2^660252070 is an apocalyptic number.

660252070 is a deficient number, since it is larger than the sum of its proper divisors (528201674).

660252070 is a wasteful number, since it uses less digits than its factorization.

660252070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66025214.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 660252070 is about 25695.3705947200. The cubic root of 660252070 is about 870.7695969062.

The spelling of 660252070 in words is "six hundred sixty million, two hundred fifty-two thousand, seventy".