6221663542 has 8 divisors (see below), whose sum is σ = 9332895600. Its totient is φ = 3110698344.

The previous prime is 6221663537. The next prime is 6221663557. The reversal of 6221663542 is 2453661226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8559 + ... + 111877.

It is an arithmetic number, because the mean of its divisors is an integer number (1166611950).

Almost surely, 2^6221663542 is an apocalyptic number.

6221663542 is a deficient number, since it is larger than the sum of its proper divisors (3111232058).

6221663542 is a wasteful number, since it uses less digits than its factorization.

6221663542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133430.

The product of its digits is 103680, while the sum is 37.

The square root of 6221663542 is about 78877.5224129156. The cubic root of 6221663542 is about 1839.2277341646.

The spelling of 6221663542 in words is "six billion, two hundred twenty-one million, six hundred sixty-three thousand, five hundred forty-two".