141647664671 has 4 divisors (see below), whose sum is σ = 141648540600. Its totient is φ = 141646788744.

The previous prime is 141647664647. The next prime is 141647664677. The reversal of 141647664671 is 176466746141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 141647664671 - 2¹⁸ = 141647402527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141647664677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116981 + ... + 544958.

It is an arithmetic number, because the mean of its divisors is an integer number (35412135150).

Almost surely, 2^141647664671 is an apocalyptic number.

141647664671 is a deficient number, since it is larger than the sum of its proper divisors (875929).

141647664671 is an equidigital number, since it uses as much as digits as its factorization.

141647664671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875928.

The product of its digits is 4064256, while the sum is 53.

The spelling of 141647664671 in words is "one hundred forty-one billion, six hundred forty-seven million, six hundred sixty-four thousand, six hundred seventy-one".