6516006156 has 36 divisors (see below), whose sum is σ = 17968381704. Its totient is φ = 1974547200.

The previous prime is 6516006121. The next prime is 6516006181.

6516006156 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6516006156.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8226885 + ... + 8227676.

It is an arithmetic number, because the mean of its divisors is an integer number (499121714).

Almost surely, 2^6516006156 is an apocalyptic number.

6516006156 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6516006156 is an abundant number, since it is smaller than the sum of its proper divisors (11452375548).

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

6516006156 is a wasteful number, since it uses less digits than its factorization.

6516006156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16454582 (or 16454577 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6516006156 is about 80721.7824134230. The cubic root of 6516006156 is about 1867.7861985096.

It can be divided in two parts, 651600 and 6156, that added together give a palindrome (657756).

The spelling of 6516006156 in words is "six billion, five hundred sixteen million, six thousand, one hundred fifty-six".