6546615142 has 8 divisors (see below), whose sum is σ = 9830080656. Its totient is φ = 3269921592.

The previous prime is 6546615139. The next prime is 6546615193. The reversal of 6546615142 is 2415166456.

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

It is a junction number, because it is equal to n+sod(n) for n = 6546615095 and 6546615104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690573 + ... + 1694440.

It is an arithmetic number, because the mean of its divisors is an integer number (1228760082).

Almost surely, 2^6546615142 is an apocalyptic number.

6546615142 is a deficient number, since it is larger than the sum of its proper divisors (3283465514).

6546615142 is a wasteful number, since it uses less digits than its factorization.

6546615142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385982.

The product of its digits is 172800, while the sum is 40.

The square root of 6546615142 is about 80911.1558562847. The cubic root of 6546615142 is about 1870.7062772956.

It can be divided in two parts, 65466 and 15142, that added together give a palindrome (80608).

The spelling of 6546615142 in words is "six billion, five hundred forty-six million, six hundred fifteen thousand, one hundred forty-two".