660980070 has 24 divisors (see below), whose sum is σ = 1718548416. Its totient is φ = 176261328.

The previous prime is 660980059. The next prime is 660980101. The reversal of 660980070 is 70089066.

660980070 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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3672022 + ... + 3672201.

It is an arithmetic number, because the mean of its divisors is an integer number (71606184).

Almost surely, 2^660980070 is an apocalyptic number.

660980070 is an abundant number, since it is smaller than the sum of its proper divisors (1057568346).

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

660980070 is a wasteful number, since it uses less digits than its factorization.

660980070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344236 (or 7344233 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 660980070 is about 25709.5326678647. The cubic root of 660980070 is about 871.0895188720.

The spelling of 660980070 in words is "six hundred sixty million, nine hundred eighty thousand, seventy".