66065354524044 has 24 divisors (see below), whose sum is σ = 171280548766320. Its totient is φ = 22021784841312.

The previous prime is 66065354524019. The next prime is 66065354524181. The reversal of 66065354524044 is 44042545356066.

66065354524044 is a `hidden beast` number, since 6 + 6 + 0 + 6 + 5 + 354 + 5 + 240 + 44 = 666.

It is a super-2 number, since 2×66065354524044² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 305858122689 + ... + 305858122904.

It is an arithmetic number, because the mean of its divisors is an integer number (7136689531930).

Almost surely, 2^{66065354524044} is an apocalyptic number.

It is an amenable number.

66065354524044 is an abundant number, since it is smaller than the sum of its proper divisors (105215194242276).

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

66065354524044 is a wasteful number, since it uses less digits than its factorization.

66065354524044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611716245606 (or 611716245598 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 54.

The spelling of 66065354524044 in words is "sixty-six trillion, sixty-five billion, three hundred fifty-four million, five hundred twenty-four thousand, forty-four".