66606404200622 has 64 divisors (see below), whose sum is σ = 117521159454720. Its totient is φ = 27912271766400.

The previous prime is 66606404200613. The next prime is 66606404200631. The reversal of 66606404200622 is 22600240460666.

It is an interprime number because it is at equal distance from previous prime (66606404200613) and next prime (66606404200631).

It is a super-3 number, since 3×66606404200622³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1238954579 + ... + 1239008337.

It is an arithmetic number, because the mean of its divisors is an integer number (1836268116480).

Almost surely, 2^{66606404200622} is an apocalyptic number.

66606404200622 is a deficient number, since it is larger than the sum of its proper divisors (50914755254098).

66606404200622 is a wasteful number, since it uses less digits than its factorization.

66606404200622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59049.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 66606404200622 in words is "sixty-six trillion, six hundred six billion, four hundred four million, two hundred thousand, six hundred twenty-two".