156663122200 has 144 divisors (see below), whose sum is σ = 396769448880. Its totient is φ = 57187384320.

The previous prime is 156663122197. The next prime is 156663122207. The reversal of 156663122200 is 2221366651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156663122207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20590797 + ... + 20598403.

It is an arithmetic number, because the mean of its divisors is an integer number (2755343395).

Almost surely, 2^156663122200 is an apocalyptic number.

156663122200 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 156663122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198384724440).

156663122200 is an abundant number, since it is smaller than the sum of its proper divisors (240106326680).

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

156663122200 is a wasteful number, since it uses less digits than its factorization.

156663122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814 (or 7716 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 156663122200 its reverse (2221366651), we get a palindrome (158884488851).

The spelling of 156663122200 in words is "one hundred fifty-six billion, six hundred sixty-three million, one hundred twenty-two thousand, two hundred".