66613030622622 has 48 divisors (see below), whose sum is σ = 165735769979520. Its totient is φ = 19123358072400.

The previous prime is 66613030622587. The next prime is 66613030622639. The reversal of 66613030622622 is 22622603031666.

66613030622622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×66613030622622³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8853402754 + ... + 8853410277.

It is an arithmetic number, because the mean of its divisors is an integer number (3452828541240).

Almost surely, 2^{66613030622622} is an apocalyptic number.

66613030622622 is an abundant number, since it is smaller than the sum of its proper divisors (99122739356898).

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

66613030622622 is a wasteful number, since it uses less digits than its factorization.

66613030622622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17706813069 (or 17706813066 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 66613030622622 in words is "sixty-six trillion, six hundred thirteen billion, thirty million, six hundred twenty-two thousand, six hundred twenty-two".