132173521650 has 72 divisors (see below), whose sum is σ = 355195055124. Its totient is φ = 35237452800.

The previous prime is 132173521637. The next prime is 132173521673. The reversal of 132173521650 is 56125371231.

132173521650 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 73 + 521 + 65 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 108470763801 + 23702757849 = 329349^2 + 153957^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1873822 + ... + 1943078.

Almost surely, 2^132173521650 is an apocalyptic number.

132173521650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132173521650 is an abundant number, since it is smaller than the sum of its proper divisors (223021533474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132173521650 is a wasteful number, since it uses less digits than its factorization.

132173521650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73516 (or 73508 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

Adding to 132173521650 its reverse (56125371231), we get a palindrome (188298892881).

The spelling of 132173521650 in words is "one hundred thirty-two billion, one hundred seventy-three million, five hundred twenty-one thousand, six hundred fifty".