66110067323120 has 40 divisors (see below), whose sum is σ = 153752218052640. Its totient is φ = 26436059354880.

The previous prime is 66110067323107. The next prime is 66110067323171. The reversal of 66110067323120 is 2132376001166.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124226171 + ... + 124757210.

It is an arithmetic number, because the mean of its divisors is an integer number (3843805451316).

Almost surely, 2^{66110067323120} is an apocalyptic number.

It is an amenable number.

66110067323120 is an abundant number, since it is smaller than the sum of its proper divisors (87642150729520).

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

66110067323120 is a wasteful number, since it uses less digits than its factorization.

66110067323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248986713 (or 248986707 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 66110067323120 in words is "sixty-six trillion, one hundred ten billion, sixty-seven million, three hundred twenty-three thousand, one hundred twenty".