66081244895132 has 6 divisors (see below), whose sum is σ = 115642178566488. Its totient is φ = 33040622447564.

The previous prime is 66081244895089. The next prime is 66081244895153. The reversal of 66081244895132 is 23159844218066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8260155611888 + ... + 8260155611895.

It is an arithmetic number, because the mean of its divisors is an integer number (19273696427748).

Almost surely, 2^{66081244895132} is an apocalyptic number.

It is an amenable number.

66081244895132 is a deficient number, since it is larger than the sum of its proper divisors (49560933671356).

66081244895132 is a wasteful number, since it uses less digits than its factorization.

66081244895132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16520311223787 (or 16520311223785 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 66081244895132 in words is "sixty-six trillion, eighty-one billion, two hundred forty-four million, eight hundred ninety-five thousand, one hundred thirty-two".