6655065601656 has 64 divisors (see below), whose sum is σ = 16706834042400. Its totient is φ = 2209139762688.

The previous prime is 6655065601637. The next prime is 6655065601699. The reversal of 6655065601656 is 6561065605566.

It is a junction number, because it is equal to n+sod(n) for n = 6655065601596 and 6655065601605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14578830 + ... + 15028386.

Almost surely, 2^{6655065601656} is an apocalyptic number.

It is an amenable number.

6655065601656 is an abundant number, since it is smaller than the sum of its proper divisors (10051768440744).

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

6655065601656 is a wasteful number, since it uses less digits than its factorization.

6655065601656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452128 (or 452124 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 57.

The spelling of 6655065601656 in words is "six trillion, six hundred fifty-five billion, sixty-five million, six hundred one thousand, six hundred fifty-six".