142879779718656 has 160 divisors (see below), whose sum is σ = 388427731721568. Its totient is φ = 46655062671360.

The previous prime is 142879779718631. The next prime is 142879779718721. The reversal of 142879779718656 is 656817977978241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50813490 + ... + 53551566.

Almost surely, 2^{142879779718656} is an apocalyptic number.

142879779718656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142879779718656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194213865860784).

142879779718656 is an abundant number, since it is smaller than the sum of its proper divisors (245547952002912).

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

142879779718656 is an equidigital number, since it uses as much as digits as its factorization.

142879779718656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738792 (or 2738776 counting only the distinct ones).

The product of its digits is 17923368960, while the sum is 87.

The spelling of 142879779718656 in words is "one hundred forty-two trillion, eight hundred seventy-nine billion, seven hundred seventy-nine million, seven hundred eighteen thousand, six hundred fifty-six".