156396623252 has 54 divisors (see below), whose sum is σ = 282277215738. Its totient is φ = 75793531008.

The previous prime is 156396623249. The next prime is 156396623291. The reversal of 156396623252 is 252326693651.

156396623252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 20666116 + 156375957136 = 4546^2 + 395444^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 156396623252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 904026638 + ... + 904026810.

It is an arithmetic number, because the mean of its divisors is an integer number (5227355847).

Almost surely, 2^156396623252 is an apocalyptic number.

It is an amenable number.

156396623252 is a deficient number, since it is larger than the sum of its proper divisors (125880592486).

156396623252 is an equidigital number, since it uses as much as digits as its factorization.

156396623252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 385 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 50.

The spelling of 156396623252 in words is "one hundred fifty-six billion, three hundred ninety-six million, six hundred twenty-three thousand, two hundred fifty-two".