66225300355006 has 24 divisors (see below), whose sum is σ = 107567831265120. Its totient is φ = 30565323936576.

The previous prime is 66225300354989. The next prime is 66225300355013. The reversal of 66225300355006 is 60055300352266.

It is a super-2 number, since 2×66225300355006² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59689690 + ... + 60789058.

It is an arithmetic number, because the mean of its divisors is an integer number (4481992969380).

Almost surely, 2^{66225300355006} is an apocalyptic number.

66225300355006 is a deficient number, since it is larger than the sum of its proper divisors (41342530910114).

66225300355006 is a wasteful number, since it uses less digits than its factorization.

66225300355006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277620 (or 1277607 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 66225300355006 in words is "sixty-six trillion, two hundred twenty-five billion, three hundred million, three hundred fifty-five thousand, six".