66026220752662 has 8 divisors (see below), whose sum is σ = 99044471547576. Its totient is φ = 33011396903472.

The previous prime is 66026220752593. The next prime is 66026220752669. The reversal of 66026220752662 is 26625702262066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66026220752669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856688263 + ... + 856765330.

It is an arithmetic number, because the mean of its divisors is an integer number (12380558943447).

Almost surely, 2^{66026220752662} is an apocalyptic number.

66026220752662 is a deficient number, since it is larger than the sum of its proper divisors (33018250794914).

66026220752662 is a wasteful number, since it uses less digits than its factorization.

66026220752662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713472862.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 66026220752662 in words is "sixty-six trillion, twenty-six billion, two hundred twenty million, seven hundred fifty-two thousand, six hundred sixty-two".