6655561662 has 16 divisors (see below), whose sum is σ = 13312607760. Its totient is φ = 2218273152.

The previous prime is 6655561643. The next prime is 6655561663. The reversal of 6655561662 is 2661655566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655561663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414 + ... + 115382.

It is an arithmetic number, because the mean of its divisors is an integer number (832037985).

Almost surely, 2^6655561662 is an apocalyptic number.

6655561662 is an abundant number, since it is smaller than the sum of its proper divisors (6657046098).

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

6655561662 is a wasteful number, since it uses less digits than its factorization.

6655561662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123707.

The product of its digits is 1944000, while the sum is 48.

The square root of 6655561662 is about 81581.6257621776. The cubic root of 6655561662 is about 1881.0264560271.

The spelling of 6655561662 in words is "six billion, six hundred fifty-five million, five hundred sixty-one thousand, six hundred sixty-two".