7506666057 has 8 divisors (see below), whose sum is σ = 10918787040. Its totient is φ = 4549494560.

The previous prime is 7506666043. The next prime is 7506666103.

7506666057 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7506666057 - 2⁸ = 7506665801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7506665997 and 7506666015.

It is not an unprimeable number, because it can be changed into a prime (7506666007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113737332 + ... + 113737397.

It is an arithmetic number, because the mean of its divisors is an integer number (1364848380).

Almost surely, 2^7506666057 is an apocalyptic number.

It is an amenable number.

7506666057 is a deficient number, since it is larger than the sum of its proper divisors (3412120983).

7506666057 is a wasteful number, since it uses less digits than its factorization.

7506666057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227474743.

The product of its (nonzero) digits is 1587600, while the sum is 48.

The square root of 7506666057 is about 86641.0183285030. The cubic root of 7506666057 is about 1958.0135762067.

The spelling of 7506666057 in words is "seven billion, five hundred six million, six hundred sixty-six thousand, fifty-seven".