6516450436 has 24 divisors (see below), whose sum is σ = 11918995200. Its totient is φ = 3111484992.

The previous prime is 6516450431. The next prime is 6516450469. The reversal of 6516450436 is 6340546156.

It is not an unprimeable number, because it can be changed into a prime (6516450431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 114163.

It is an arithmetic number, because the mean of its divisors is an integer number (496624800).

Almost surely, 2^6516450436 is an apocalyptic number.

It is an amenable number.

6516450436 is a deficient number, since it is larger than the sum of its proper divisors (5402544764).

6516450436 is a wasteful number, since it uses less digits than its factorization.

6516450436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115443 (or 115441 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 6516450436 is about 80724.5342879103. The cubic root of 6516450436 is about 1867.8286478860.

It can be divided in two parts, 65164 and 50436, that added together give a square (115600 = 340²).

The spelling of 6516450436 in words is "six billion, five hundred sixteen million, four hundred fifty thousand, four hundred thirty-six".