6666703745 has 32 divisors (see below), whose sum is σ = 8774438400. Its totient is φ = 4832964864.

The previous prime is 6666703723. The next prime is 6666703751. The reversal of 6666703745 is 5473076666.

It is not a de Polignac number, because 6666703745 - 2¹² = 6666699649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6666703693 and 6666703702.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 915539 + ... + 922791.

It is an arithmetic number, because the mean of its divisors is an integer number (274201200).

Almost surely, 2^6666703745 is an apocalyptic number.

6666703745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6666703745 is a deficient number, since it is larger than the sum of its proper divisors (2107734655).

6666703745 is a wasteful number, since it uses less digits than its factorization.

6666703745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7529.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The square root of 6666703745 is about 81649.8851499498. The cubic root of 6666703745 is about 1882.0755469603.

The spelling of 6666703745 in words is "six billion, six hundred sixty-six million, seven hundred three thousand, seven hundred forty-five".