132166229661 has 16 divisors (see below), whose sum is σ = 195809342400. Its totient is φ = 88107435504.

The previous prime is 132166229659. The next prime is 132166229693. The reversal of 132166229661 is 166922661231.

132166229661 is a `hidden beast` number, since 1 + 3 + 2 + 16 + 622 + 9 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 132166229661 - 2¹ = 132166229659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132166229641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764515 + ... + 921311.

It is an arithmetic number, because the mean of its divisors is an integer number (12238083900).

Almost surely, 2^132166229661 is an apocalyptic number.

It is an amenable number.

132166229661 is a deficient number, since it is larger than the sum of its proper divisors (63643112739).

132166229661 is a wasteful number, since it uses less digits than its factorization.

132166229661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188025 (or 188019 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 132166229661 in words is "one hundred thirty-two billion, one hundred sixty-six million, two hundred twenty-nine thousand, six hundred sixty-one".