660752701 has 12 divisors (see below), whose sum is σ = 773242848. Its totient is φ = 562961112.

The previous prime is 660752699. The next prime is 660752737. The reversal of 660752701 is 107257066.

660752701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 660752701 - 2¹ = 660752699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660752101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32191 + ... + 48556.

It is an arithmetic number, because the mean of its divisors is an integer number (64436904).

Almost surely, 2^660752701 is an apocalyptic number.

It is an amenable number.

660752701 is a deficient number, since it is larger than the sum of its proper divisors (112490147).

660752701 is a wasteful number, since it uses less digits than its factorization.

660752701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80928 (or 80921 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 660752701 is about 25705.1104062986. The cubic root of 660752701 is about 870.9896260633.

The spelling of 660752701 in words is "six hundred sixty million, seven hundred fifty-two thousand, seven hundred one".