66004614527420 has 12 divisors (see below), whose sum is σ = 138609690507624. Its totient is φ = 26401845810960.

The previous prime is 66004614527399. The next prime is 66004614527431. The reversal of 66004614527420 is 2472541640066.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650115363166 + ... + 1650115363205.

It is an arithmetic number, because the mean of its divisors is an integer number (11550807542302).

Almost surely, 2^{66004614527420} is an apocalyptic number.

It is an amenable number.

66004614527420 is an abundant number, since it is smaller than the sum of its proper divisors (72605075980204).

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

66004614527420 is a wasteful number, since it uses less digits than its factorization.

66004614527420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300230726380 (or 3300230726378 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 66004614527420 in words is "sixty-six trillion, four billion, six hundred fourteen million, five hundred twenty-seven thousand, four hundred twenty".