6635155142 has 16 divisors (see below), whose sum is σ = 12408602112. Its totient is φ = 2585125320.

The previous prime is 6635155141. The next prime is 6635155169. The reversal of 6635155142 is 2415515366.

It is a junction number, because it is equal to n+sod(n) for n = 6635155096 and 6635155105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6635155141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21542558 + ... + 21542865.

It is an arithmetic number, because the mean of its divisors is an integer number (775537632).

Almost surely, 2^6635155142 is an apocalyptic number.

6635155142 is a deficient number, since it is larger than the sum of its proper divisors (5773446970).

6635155142 is a wasteful number, since it uses less digits than its factorization.

6635155142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43085443.

The product of its digits is 108000, while the sum is 38.

The square root of 6635155142 is about 81456.4616344216. The cubic root of 6635155142 is about 1879.1020253190.

The spelling of 6635155142 in words is "six billion, six hundred thirty-five million, one hundred fifty-five thousand, one hundred forty-two".