141660664321 has 8 divisors (see below), whose sum is σ = 154544046624. Its totient is φ = 128778138720.

The previous prime is 141660664283. The next prime is 141660664391. The reversal of 141660664321 is 123466066141.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-141660664321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141660664391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160006 + ... + 555808.

It is an arithmetic number, because the mean of its divisors is an integer number (19318005828).

Almost surely, 2^141660664321 is an apocalyptic number.

141660664321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141660664321 is a deficient number, since it is larger than the sum of its proper divisors (12883382303).

141660664321 is a wasteful number, since it uses less digits than its factorization.

141660664321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428351.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 141660664321 in words is "one hundred forty-one billion, six hundred sixty million, six hundred sixty-four thousand, three hundred twenty-one".