162203921880 has 1728 divisors, whose sum is σ = 719188243200. Its totient is φ = 29059430400.

The previous prime is 162203921837. The next prime is 162203921911. The reversal of 162203921880 is 88129302261.

162203921880 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 super-2 number, since 2×162203921880² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 431 ways as a sum of consecutive naturals, for example, 2284562245 + ... + 2284562315.

It is an arithmetic number, because the mean of its divisors is an integer number (416196900).

Almost surely, 2^162203921880 is an apocalyptic number.

162203921880 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 162203921880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359594121600).

162203921880 is an abundant number, since it is smaller than the sum of its proper divisors (556984321320).

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

162203921880 is a wasteful number, since it uses less digits than its factorization.

162203921880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 162203921880 in words is "one hundred sixty-two billion, two hundred three million, nine hundred twenty-one thousand, eight hundred eighty".