166632735406532 has 24 divisors (see below), whose sum is σ = 291778522151256. Its totient is φ = 83267454348288.

The previous prime is 166632735406507. The next prime is 166632735406561. The reversal of 166632735406532 is 235604537236661.

It can be written as a sum of positive squares in 4 ways, for example, as 10457876370496 + 156174859036036 = 3233864^2 + 12496994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59505908 + ... + 62243220.

It is an arithmetic number, because the mean of its divisors is an integer number (12157438422969).

Almost surely, 2^{166632735406532} is an apocalyptic number.

It is an amenable number.

166632735406532 is a deficient number, since it is larger than the sum of its proper divisors (125145786744724).

166632735406532 is a wasteful number, since it uses less digits than its factorization.

166632735406532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746247 (or 2746245 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 59.

The spelling of 166632735406532 in words is "one hundred sixty-six trillion, six hundred thirty-two billion, seven hundred thirty-five million, four hundred six thousand, five hundred thirty-two".