66626217006 has 16 divisors (see below), whose sum is σ = 133353475200. Its totient is φ = 22191898808.

The previous prime is 66626216971. The next prime is 66626217041. The reversal of 66626217006 is 60071262666.

It is an interprime number because it is at equal distance from previous prime (66626216971) and next prime (66626217041).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4201476 + ... + 4217303.

It is an arithmetic number, because the mean of its divisors is an integer number (8334592200).

Almost surely, 2^66626217006 is an apocalyptic number.

66626217006 is an abundant number, since it is smaller than the sum of its proper divisors (66727258194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66626217006 is a wasteful number, since it uses less digits than its factorization.

66626217006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420103.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 66626217006 in words is "sixty-six billion, six hundred twenty-six million, two hundred seventeen thousand, six".