6607681651 has 16 divisors (see below), whose sum is σ = 6937520128. Its totient is φ = 6285729600.

The previous prime is 6607681649. The next prime is 6607681657. The reversal of 6607681651 is 1561867066.

It is a cyclic number.

It is not a de Polignac number, because 6607681651 - 2¹ = 6607681649 is a prime.

It is a super-2 number, since 2×6607681651² = 87322913601924171602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6607681657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689986 + ... + 699496.

It is an arithmetic number, because the mean of its divisors is an integer number (433595008).

Almost surely, 2^6607681651 is an apocalyptic number.

6607681651 is a deficient number, since it is larger than the sum of its proper divisors (329838477).

6607681651 is a wasteful number, since it uses less digits than its factorization.

6607681651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 6607681651 is about 81287.6475917467. The cubic root of 6607681651 is about 1876.5049039126.

The spelling of 6607681651 in words is "six billion, six hundred seven million, six hundred eighty-one thousand, six hundred fifty-one".