660671577562 has 8 divisors (see below), whose sum is σ = 998810574336. Its totient is φ = 327734719452.

The previous prime is 660671577521. The next prime is 660671577607. The reversal of 660671577562 is 265775176066.

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

It is a junction number, because it is equal to n+sod(n) for n = 660671577497 and 660671577506.

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, 1300534348 + ... + 1300534855.

It is an arithmetic number, because the mean of its divisors is an integer number (124851321792).

Almost surely, 2^660671577562 is an apocalyptic number.

660671577562 is a deficient number, since it is larger than the sum of its proper divisors (338138996774).

660671577562 is a wasteful number, since it uses less digits than its factorization.

660671577562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601069332.

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 660671577562 in words is "six hundred sixty billion, six hundred seventy-one million, five hundred seventy-seven thousand, five hundred sixty-two".