156225432660 has 192 divisors, whose sum is σ = 489183287040. Its totient is φ = 36933304320.

The previous prime is 156225432647. The next prime is 156225432703. The reversal of 156225432660 is 66234522651.

156225432660 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 63 ways as a sum of consecutive naturals, for example, 4269804 + ... + 4306236.

It is an arithmetic number, because the mean of its divisors is an integer number (2547829620).

Almost surely, 2^156225432660 is an apocalyptic number.

156225432660 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 156225432660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244591643520).

156225432660 is an abundant number, since it is smaller than the sum of its proper divisors (332957854380).

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

156225432660 is a wasteful number, since it uses less digits than its factorization.

156225432660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36618 (or 36616 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

It can be divided in two parts, 156225 and 432660, that added together give a palindrome (588885).

The spelling of 156225432660 in words is "one hundred fifty-six billion, two hundred twenty-five million, four hundred thirty-two thousand, six hundred sixty".