163352640 has 224 divisors, whose sum is σ = 585216000. Its totient is φ = 38246400.

The previous prime is 163352627. The next prime is 163352641. The reversal of 163352640 is 46253361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 163352598 and 163352607.

It is not an unprimeable number, because it can be changed into a prime (163352641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327111 + ... + 327609.

Almost surely, 2^163352640 is an apocalyptic number.

163352640 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 163352640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292608000).

163352640 is an abundant number, since it is smaller than the sum of its proper divisors (421863360).

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

163352640 is a wasteful number, since it uses less digits than its factorization.

163352640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 163352640 is about 12780.9483216231. The cubic root of 163352640 is about 546.6492029585.

The spelling of 163352640 in words is "one hundred sixty-three million, three hundred fifty-two thousand, six hundred forty".