66026662642 has 8 divisors (see below), whose sum is σ = 99042768000. Its totient is φ = 33012406644.

The previous prime is 66026662607. The next prime is 66026662679. The reversal of 66026662642 is 24626662066.

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 = 66026662592 and 66026662601.

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, 369342 + ... + 518137.

It is an arithmetic number, because the mean of its divisors is an integer number (12380346000).

Almost surely, 2^66026662642 is an apocalyptic number.

66026662642 is a deficient number, since it is larger than the sum of its proper divisors (33016105358).

66026662642 is a wasteful number, since it uses less digits than its factorization.

66026662642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924680.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 66026662642 in words is "sixty-six billion, twenty-six million, six hundred sixty-two thousand, six hundred forty-two".