6651256514 has 16 divisors (see below), whose sum is σ = 11428137600. Its totient is φ = 2844042624.

The previous prime is 6651256481. The next prime is 6651256531. The reversal of 6651256514 is 4156521566.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534959 + ... + 547250.

It is an arithmetic number, because the mean of its divisors is an integer number (714258600).

Almost surely, 2^6651256514 is an apocalyptic number.

6651256514 is a deficient number, since it is larger than the sum of its proper divisors (4776881086).

6651256514 is a wasteful number, since it uses less digits than its factorization.

6651256514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082657.

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

The square root of 6651256514 is about 81555.2359692497. The cubic root of 6651256514 is about 1880.6207880856.

The spelling of 6651256514 in words is "six billion, six hundred fifty-one million, two hundred fifty-six thousand, five hundred fourteen".