6513661036 has 12 divisors (see below), whose sum is σ = 11442250512. Its totient is φ = 3244446608.

The previous prime is 6513661031. The next prime is 6513661081. The reversal of 6513661036 is 6301663156.

It is a junction number, because it is equal to n+sod(n) for n = 6513660986 and 6513661004.

It is not an unprimeable number, because it can be changed into a prime (6513661031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3094795 + ... + 3096898.

It is an arithmetic number, because the mean of its divisors is an integer number (953520876).

Almost surely, 2^6513661036 is an apocalyptic number.

It is an amenable number.

6513661036 is a deficient number, since it is larger than the sum of its proper divisors (4928589476).

6513661036 is a wasteful number, since it uses less digits than its factorization.

6513661036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191960 (or 6191958 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 6513661036 is about 80707.2551633371. The cubic root of 6513661036 is about 1867.5620986419.

The spelling of 6513661036 in words is "six billion, five hundred thirteen million, six hundred sixty-one thousand, thirty-six".