6662470742666 has 8 divisors (see below), whose sum is σ = 10226117884224. Its totient is φ = 3253764781260.

The previous prime is 6662470742657. The next prime is 6662470742699.

6662470742666 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 6662470742599 and 6662470742608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38735294930 + ... + 38735295101.

It is an arithmetic number, because the mean of its divisors is an integer number (1278264735528).

Almost surely, 2^{6662470742666} is an apocalyptic number.

6662470742666 is a deficient number, since it is larger than the sum of its proper divisors (3563647141558).

6662470742666 is a wasteful number, since it uses less digits than its factorization.

6662470742666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77470590076.

The product of its (nonzero) digits is 146313216, while the sum is 62.

The spelling of 6662470742666 in words is "six trillion, six hundred sixty-two billion, four hundred seventy million, seven hundred forty-two thousand, six hundred sixty-six".