127335532666 has 16 divisors (see below), whose sum is σ = 191511226368. Its totient is φ = 63498593200.

The previous prime is 127335532663. The next prime is 127335532693. The reversal of 127335532666 is 666235533721.

It is not an unprimeable number, because it can be changed into a prime (127335532663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913631 + ... + 1979053.

It is an arithmetic number, because the mean of its divisors is an integer number (11969451648).

Almost surely, 2^127335532666 is an apocalyptic number.

127335532666 is a deficient number, since it is larger than the sum of its proper divisors (64175693702).

127335532666 is a wasteful number, since it uses less digits than its factorization.

127335532666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67997.

The product of its digits is 4082400, while the sum is 49.

The spelling of 127335532666 in words is "one hundred twenty-seven billion, three hundred thirty-five million, five hundred thirty-two thousand, six hundred sixty-six".