66130441666532 has 12 divisors (see below), whose sum is σ = 118190576595840. Its totient is φ = 32361705496296.

The previous prime is 66130441666501. The next prime is 66130441666571. The reversal of 66130441666532 is 23566614403166.

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, 175878834032 + ... + 175878834407.

It is an arithmetic number, because the mean of its divisors is an integer number (9849214716320).

Almost surely, 2^{66130441666532} is an apocalyptic number.

It is an amenable number.

66130441666532 is a deficient number, since it is larger than the sum of its proper divisors (52060134929308).

66130441666532 is a wasteful number, since it uses less digits than its factorization.

66130441666532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351757668490 (or 351757668488 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 66130441666532 in words is "sixty-six trillion, one hundred thirty billion, four hundred forty-one million, six hundred sixty-six thousand, five hundred thirty-two".