655675047646 has 64 divisors (see below), whose sum is σ = 1075959244800. Its totient is φ = 298618034400.

The previous prime is 655675047619. The next prime is 655675047707. The reversal of 655675047646 is 646740576556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80161585 + ... + 80169763.

It is an arithmetic number, because the mean of its divisors is an integer number (16811863200).

Almost surely, 2^655675047646 is an apocalyptic number.

655675047646 is a deficient number, since it is larger than the sum of its proper divisors (420284197154).

655675047646 is a wasteful number, since it uses less digits than its factorization.

655675047646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005.

The product of its (nonzero) digits is 127008000, while the sum is 61.

The spelling of 655675047646 in words is "six hundred fifty-five billion, six hundred seventy-five million, forty-seven thousand, six hundred forty-six".