156743011648 has 84 divisors (see below), whose sum is σ = 333653332692. Its totient is φ = 73028874240.

The previous prime is 156743011643. The next prime is 156743011661. The reversal of 156743011648 is 846110347651.

It can be written as a sum of positive squares in 2 ways, for example, as 55435760704 + 101307250944 = 235448^2 + 318288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156743011598 and 156743011607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156743011643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353736 + ... + 1464952.

Almost surely, 2^156743011648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156743011648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166826666346).

156743011648 is an abundant number, since it is smaller than the sum of its proper divisors (176910321044).

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

156743011648 is a wasteful number, since it uses less digits than its factorization.

156743011648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111328 (or 111299 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 156743011648 in words is "one hundred fifty-six billion, seven hundred forty-three million, eleven thousand, six hundred forty-eight".