6662547057 has 8 divisors (see below), whose sum is σ = 9269630784. Its totient is φ = 4248580688.

The previous prime is 6662547053. The next prime is 6662547079. The reversal of 6662547057 is 7507452666.

6662547057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6662547057 - 2² = 6662547053 is a prime.

It is a super-2 number, since 2×6662547057² = 88779066573478722498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6662546997 and 6662547015.

It is not an unprimeable number, because it can be changed into a prime (6662547053) 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 7 ways as a sum of consecutive naturals, for example, 48279258 + ... + 48279395.

It is an arithmetic number, because the mean of its divisors is an integer number (1158703848).

Almost surely, 2^6662547057 is an apocalyptic number.

It is an amenable number.

6662547057 is a deficient number, since it is larger than the sum of its proper divisors (2607083727).

6662547057 is a wasteful number, since it uses less digits than its factorization.

6662547057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96558679.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The square root of 6662547057 is about 81624.4268402541. The cubic root of 6662547057 is about 1881.6843077700.

The spelling of 6662547057 in words is "six billion, six hundred sixty-two million, five hundred forty-seven thousand, fifty-seven".