66026406662 has 8 divisors (see below), whose sum is σ = 99552769176. Its totient is φ = 32842150272.

The previous prime is 66026406629. The next prime is 66026406673. The reversal of 66026406662 is 26660462066.

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

It is a congruent number.

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, 85526048 + ... + 85526819.

It is an arithmetic number, because the mean of its divisors is an integer number (12444096147).

Almost surely, 2^66026406662 is an apocalyptic number.

66026406662 is a deficient number, since it is larger than the sum of its proper divisors (33526362514).

66026406662 is a wasteful number, since it uses less digits than its factorization.

66026406662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171053062.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 66026406662 in words is "sixty-six billion, twenty-six million, four hundred six thousand, six hundred sixty-two".