6551544142 has 16 divisors (see below), whose sum is σ = 11545378992. Its totient is φ = 2748899520.

The previous prime is 6551544091. The next prime is 6551544187. The reversal of 6551544142 is 2414451556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11453463 + ... + 11454034.

It is an arithmetic number, because the mean of its divisors is an integer number (721586187).

Almost surely, 2^6551544142 is an apocalyptic number.

6551544142 is a deficient number, since it is larger than the sum of its proper divisors (4993834850).

6551544142 is a wasteful number, since it uses less digits than its factorization.

6551544142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22907523.

The product of its digits is 96000, while the sum is 37.

The square root of 6551544142 is about 80941.6094601534. The cubic root of 6551544142 is about 1871.1756495280.

Adding to 6551544142 its reverse (2414451556), we get a palindrome (8965995698).

The spelling of 6551544142 in words is "six billion, five hundred fifty-one million, five hundred forty-four thousand, one hundred forty-two".