166063141436432 has 40 divisors (see below), whose sum is σ = 340674552855000. Its totient is φ = 78147153672192.

The previous prime is 166063141436407. The next prime is 166063141436443. The reversal of 166063141436432 is 234634141360661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136075864504336 + 29987276932096 = 11665156^2 + 5476064^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162819194 + ... + 163835942.

It is an arithmetic number, because the mean of its divisors is an integer number (8516863821375).

Almost surely, 2^{166063141436432} is an apocalyptic number.

It is an amenable number.

166063141436432 is an abundant number, since it is smaller than the sum of its proper divisors (174611411418568).

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

166063141436432 is a wasteful number, since it uses less digits than its factorization.

166063141436432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617243 (or 1617237 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 166063141436432 in words is "one hundred sixty-six trillion, sixty-three billion, one hundred forty-one million, four hundred thirty-six thousand, four hundred thirty-two".