163373056 has 168 divisors, whose sum is σ = 425826936. Its totient is φ = 61931520.

The previous prime is 163373053. The next prime is 163373087. The reversal of 163373056 is 650373361.

163373056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163373053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4415470 + ... + 4415506.

Almost surely, 2^163373056 is an apocalyptic number.

163373056 is a gapful number since it is divisible by the number (16) 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 163373056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212913468).

163373056 is an abundant number, since it is smaller than the sum of its proper divisors (262453880).

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

163373056 is an equidigital number, since it uses as much as digits as its factorization.

163373056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 163373056 is about 12781.7469854476. The cubic root of 163373056 is about 546.6719756243.

The spelling of 163373056 in words is "one hundred sixty-three million, three hundred seventy-three thousand, fifty-six".