660132860593 has 4 divisors (see below), whose sum is σ = 660138043888. Its totient is φ = 660127677300.

The previous prime is 660132860587. The next prime is 660132860641. The reversal of 660132860593 is 395068231066.

It is a happy number.

660132860593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 660132860593 - 2²⁹ = 659595989681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660132810593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395671 + ... + 2656972.

It is an arithmetic number, because the mean of its divisors is an integer number (165034510972).

Almost surely, 2^660132860593 is an apocalyptic number.

It is an amenable number.

660132860593 is a deficient number, since it is larger than the sum of its proper divisors (5183295).

660132860593 is a wasteful number, since it uses less digits than its factorization.

660132860593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183294.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 660132860593 in words is "six hundred sixty billion, one hundred thirty-two million, eight hundred sixty thousand, five hundred ninety-three".