660141432642 has 8 divisors (see below), whose sum is σ = 1320282865296. Its totient is φ = 220047144212.

The previous prime is 660141432631. The next prime is 660141432649. The reversal of 660141432642 is 246234141066.

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

660141432642 is an admirable number.

It is a super-2 number, since 2×660141432642² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 660141432642.

It is not an unprimeable number, because it can be changed into a prime (660141432649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55011786048 + ... + 55011786059.

It is an arithmetic number, because the mean of its divisors is an integer number (165035358162).

Almost surely, 2^660141432642 is an apocalyptic number.

660141432642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

660141432642 is a wasteful number, since it uses less digits than its factorization.

660141432642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110023572112.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 660141432642 in words is "six hundred sixty billion, one hundred forty-one million, four hundred thirty-two thousand, six hundred forty-two".