6654445102261 has 32 divisors (see below), whose sum is σ = 7296157440000. Its totient is φ = 6018966636480.

The previous prime is 6654445102259. The next prime is 6654445102297. The reversal of 6654445102261 is 1622015444566.

It is a cyclic number.

It is not a de Polignac number, because 6654445102261 - 2¹ = 6654445102259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654445102861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4439255490 + ... + 4439256988.

It is an arithmetic number, because the mean of its divisors is an integer number (228004920000).

Almost surely, 2^{6654445102261} is an apocalyptic number.

It is an amenable number.

6654445102261 is a deficient number, since it is larger than the sum of its proper divisors (641712337739).

6654445102261 is a wasteful number, since it uses less digits than its factorization.

6654445102261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 6654445102261 in words is "six trillion, six hundred fifty-four billion, four hundred forty-five million, one hundred two thousand, two hundred sixty-one".