6651246766 has 32 divisors (see below), whose sum is σ = 10647272448. Its totient is φ = 3109186080.

The previous prime is 6651246727. The next prime is 6651246781. The reversal of 6651246766 is 6676421566.

It is a congruent number.

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, 655665 + ... + 665731.

It is an arithmetic number, because the mean of its divisors is an integer number (332727264).

Almost surely, 2^6651246766 is an apocalyptic number.

6651246766 is a deficient number, since it is larger than the sum of its proper divisors (3996025682).

6651246766 is a wasteful number, since it uses less digits than its factorization.

6651246766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10416.

The product of its digits is 2177280, while the sum is 49.

The square root of 6651246766 is about 81555.1762060508. The cubic root of 6651246766 is about 1880.6198693469.

The spelling of 6651246766 in words is "six billion, six hundred fifty-one million, two hundred forty-six thousand, seven hundred sixty-six".