156655553340 has 192 divisors, whose sum is σ = 515894303232. Its totient is φ = 35016729600.

The previous prime is 156655553311. The next prime is 156655553381. The reversal of 156655553340 is 43355556651.

156655553340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 156655553340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8064079 + ... + 8083481.

It is an arithmetic number, because the mean of its divisors is an integer number (2686949496).

Almost surely, 2^156655553340 is an apocalyptic number.

156655553340 is a gapful number since it is divisible by the number (10) 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 156655553340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257947151616).

156655553340 is an abundant number, since it is smaller than the sum of its proper divisors (359238749892).

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

156655553340 is a wasteful number, since it uses less digits than its factorization.

156655553340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380 (or 20378 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 48.

The spelling of 156655553340 in words is "one hundred fifty-six billion, six hundred fifty-five million, five hundred fifty-three thousand, three hundred forty".