200162156561620 has 96 divisors (see below), whose sum is σ = 461491660869120. Its totient is φ = 72319868375040.

The previous prime is 200162156561603. The next prime is 200162156561621. The reversal of 200162156561620 is 26165651261002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200162156561621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1047122692 + ... + 1047313828.

It is an arithmetic number, because the mean of its divisors is an integer number (4807204800720).

Almost surely, 2^{200162156561620} is an apocalyptic number.

200162156561620 is a gapful number since it is divisible by the number (20) 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 200162156561620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230745830434560).

200162156561620 is an abundant number, since it is smaller than the sum of its proper divisors (261329504307500).

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

200162156561620 is a wasteful number, since it uses less digits than its factorization.

200162156561620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221633 (or 221631 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 200162156561620 in words is "two hundred trillion, one hundred sixty-two billion, one hundred fifty-six million, five hundred sixty-one thousand, six hundred twenty".