6516213042 has 16 divisors (see below), whose sum is σ = 13384654272. Its totient is φ = 2113366320.

The previous prime is 6516213023. The next prime is 6516213043. The reversal of 6516213042 is 2403126156.

It is a super-2 number, since 2×6516213042² = 84922064817461787528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6516213043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14675934 + ... + 14676377.

It is an arithmetic number, because the mean of its divisors is an integer number (836540892).

Almost surely, 2^6516213042 is an apocalyptic number.

6516213042 is an abundant number, since it is smaller than the sum of its proper divisors (6868441230).

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

6516213042 is a wasteful number, since it uses less digits than its factorization.

6516213042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29352353.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 6516213042 is about 80723.0638789188. The cubic root of 6516213042 is about 1867.8059659723.

Adding to 6516213042 its reverse (2403126156), we get a palindrome (8919339198).

The spelling of 6516213042 in words is "six billion, five hundred sixteen million, two hundred thirteen thousand, forty-two".