156543528960 has 2080 divisors, whose sum is σ = 743285676672. Its totient is φ = 30576476160.

The previous prime is 156543528959. The next prime is 156543528983. The reversal of 156543528960 is 69825345651.

156543528960 is a `hidden beast` number, since 1 + 5 + 6 + 54 + 3 + 528 + 9 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (2080).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 156543528897 and 156543528906.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 7320 × 6552 × 3264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2566287330 + ... + 2566287390.

Almost surely, 2^156543528960 is an apocalyptic number.

156543528960 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 156543528960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371642838336).

156543528960 is an abundant number, since it is smaller than the sum of its proper divisors (586742147712).

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

156543528960 is a wasteful number, since it uses less digits than its factorization.

156543528960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 156543528960 in words is "one hundred fifty-six billion, five hundred forty-three million, five hundred twenty-eight thousand, nine hundred sixty".