6022556661 has 16 divisors (see below), whose sum is σ = 8850397248. Its totient is φ = 3612403200.

The previous prime is 6022556627. The next prime is 6022556671. The reversal of 6022556661 is 1666552206.

It is a happy number.

It is not a de Polignac number, because 6022556661 - 2¹⁸ = 6022294517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6022556621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937530 + ... + 943931.

It is an arithmetic number, because the mean of its divisors is an integer number (553149828).

Almost surely, 2^6022556661 is an apocalyptic number.

It is an amenable number.

6022556661 is a deficient number, since it is larger than the sum of its proper divisors (2827840587).

6022556661 is a wasteful number, since it uses less digits than its factorization.

6022556661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881572.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 6022556661 is about 77605.1329552369. The cubic root of 6022556661 is about 1819.3948659420.

It can be divided in two parts, 60225 and 56661, that added together give a triangular number (116886 = T₄₈₃).

The spelling of 6022556661 in words is "six billion, twenty-two million, five hundred fifty-six thousand, six hundred sixty-one".