132661665264550 has 48 divisors (see below), whose sum is σ = 252002989829952. Its totient is φ = 51935161260800.

The previous prime is 132661665264539. The next prime is 132661665264553. The reversal of 132661665264550 is 55462566166231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132661665264553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381045354 + ... + 381393346.

It is an arithmetic number, because the mean of its divisors is an integer number (5250062288124).

Almost surely, 2^{132661665264550} is an apocalyptic number.

132661665264550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132661665264550 is a deficient number, since it is larger than the sum of its proper divisors (119341324565402).

132661665264550 is a wasteful number, since it uses less digits than its factorization.

132661665264550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510273 (or 510268 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 58.

The spelling of 132661665264550 in words is "one hundred thirty-two trillion, six hundred sixty-one billion, six hundred sixty-five million, two hundred sixty-four thousand, five hundred fifty".