156523325652 has 18 divisors (see below), whose sum is σ = 395656184378. Its totient is φ = 52174441872.

The previous prime is 156523325639. The next prime is 156523325669. The reversal of 156523325652 is 256523325651.

It is a happy number.

156523325652 is a `hidden beast` number, since 1 + 5 + 6 + 52 + 3 + 32 + 565 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 154515031056 + 2008294596 = 393084^2 + 44814^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 156523325598 and 156523325607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2173935043 + ... + 2173935114.

Almost surely, 2^156523325652 is an apocalyptic number.

156523325652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156523325652 is an abundant number, since it is smaller than the sum of its proper divisors (239132858726).

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

156523325652 is a wasteful number, since it uses less digits than its factorization.

156523325652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347870167 (or 4347870162 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

Subtracting 156523325652 from its reverse (256523325651), we obtain a palindrome (99999999999).

The spelling of 156523325652 in words is "one hundred fifty-six billion, five hundred twenty-three million, three hundred twenty-five thousand, six hundred fifty-two".