141161426020666 has 4 divisors (see below), whose sum is σ = 211742139031002. Its totient is φ = 70580713010332.

The previous prime is 141161426020649. The next prime is 141161426020669. The reversal of 141161426020666 is 666020624161141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140042017584225 + 1119408436441 = 11833935^2 + 1058021^2 .

It is not an unprimeable number, because it can be changed into a prime (141161426020669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35290356505165 + ... + 35290356505168.

Almost surely, 2^{141161426020666} is an apocalyptic number.

141161426020666 is a deficient number, since it is larger than the sum of its proper divisors (70580713010336).

141161426020666 is an equidigital number, since it uses as much as digits as its factorization.

141161426020666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70580713010335.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 141161426020666 in words is "one hundred forty-one trillion, one hundred sixty-one billion, four hundred twenty-six million, twenty thousand, six hundred sixty-six".