156987648 has 108 divisors (see below), whose sum is σ = 460466188. Its totient is φ = 51425280.

The previous prime is 156987637. The next prime is 156987659. The reversal of 156987648 is 846789651.

156987648 is a `hidden beast` number, since 1 + 569 + 8 + 76 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (156987637) and next prime (156987659).

It can be written as a sum of positive squares in 2 ways, for example, as 5992704 + 150994944 = 2448^2 + 12288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156987594 and 156987603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139986 + ... + 141102.

Almost surely, 2^156987648 is an apocalyptic number.

156987648 is a gapful number since it is divisible by the number (18) 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 156987648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230233094).

156987648 is an abundant number, since it is smaller than the sum of its proper divisors (303478540).

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

156987648 is a wasteful number, since it uses less digits than its factorization.

156987648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1183 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 156987648 is about 12529.4711779867. The cubic root of 156987648 is about 539.4549232349.

The spelling of 156987648 in words is "one hundred fifty-six million, nine hundred eighty-seven thousand, six hundred forty-eight".