6651415265 has 16 divisors (see below), whose sum is σ = 8713224000. Its totient is φ = 4834105920.

The previous prime is 6651415249. The next prime is 6651415301. The reversal of 6651415265 is 5625141566.

It is not a de Polignac number, because 6651415265 - 2⁴ = 6651415249 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, 42107 + ... + 122783.

It is an arithmetic number, because the mean of its divisors is an integer number (544576500).

Almost surely, 2^6651415265 is an apocalyptic number.

It is an amenable number.

6651415265 is a deficient number, since it is larger than the sum of its proper divisors (2061808735).

6651415265 is a wasteful number, since it uses less digits than its factorization.

6651415265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82192.

The product of its digits is 216000, while the sum is 41.

The square root of 6651415265 is about 81556.2092363298. The cubic root of 6651415265 is about 1880.6357500734.

The spelling of 6651415265 in words is "six billion, six hundred fifty-one million, four hundred fifteen thousand, two hundred sixty-five".