6516032505 has 16 divisors (see below), whose sum is σ = 10596565824. Its totient is φ = 3418246080.

The previous prime is 6516032489. The next prime is 6516032557. The reversal of 6516032505 is 5052306156.

It is not a de Polignac number, because 6516032505 - 2⁴ = 6516032489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3559759 + ... + 3561588.

It is an arithmetic number, because the mean of its divisors is an integer number (662285364).

Almost surely, 2^6516032505 is an apocalyptic number.

It is an amenable number.

6516032505 is a deficient number, since it is larger than the sum of its proper divisors (4080533319).

6516032505 is a wasteful number, since it uses less digits than its factorization.

6516032505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121416.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 6516032505 is about 80721.9456219930. The cubic root of 6516032505 is about 1867.7887161168.

The spelling of 6516032505 in words is "six billion, five hundred sixteen million, thirty-two thousand, five hundred five".