156803487252 has 48 divisors (see below), whose sum is σ = 387480694272. Its totient is φ = 49249110240.

The previous prime is 156803487221. The next prime is 156803487271. The reversal of 156803487252 is 252784308651.

It is a super-2 number, since 2×156803487252² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156803487195 and 156803487204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4221274 + ... + 4258257.

It is an arithmetic number, because the mean of its divisors is an integer number (8072514464).

Almost surely, 2^156803487252 is an apocalyptic number.

156803487252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156803487252 is an abundant number, since it is smaller than the sum of its proper divisors (230677207020).

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

156803487252 is a wasteful number, since it uses less digits than its factorization.

156803487252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479628 (or 8479626 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 156803487252 in words is "one hundred fifty-six billion, eight hundred three million, four hundred eighty-seven thousand, two hundred fifty-two".