66532681217062 has 16 divisors (see below), whose sum is σ = 99826514003232. Its totient is φ = 33257177354880.

The previous prime is 66532681217053. The next prime is 66532681217099. The reversal of 66532681217062 is 26071218623566.

It is a junction number, because it is equal to n+sod(n) for n = 66532681216994 and 66532681217012.

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, 175440583 + ... + 175819405.

It is an arithmetic number, because the mean of its divisors is an integer number (6239157125202).

Almost surely, 2^{66532681217062} is an apocalyptic number.

66532681217062 is a deficient number, since it is larger than the sum of its proper divisors (33293832786170).

66532681217062 is a wasteful number, since it uses less digits than its factorization.

66532681217062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402783.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 66532681217062 in words is "sixty-six trillion, five hundred thirty-two billion, six hundred eighty-one million, two hundred seventeen thousand, sixty-two".