163287040 has 208 divisors, whose sum is σ = 481237632. Its totient is φ = 51904512.

The previous prime is 163286999. The next prime is 163287041. The reversal of 163287040 is 40782361.

It is a junction number, because it is equal to n+sod(n) for n = 163286993 and 163287011.

It is not an unprimeable number, because it can be changed into a prime (163287041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437087 + ... + 2437153.

Almost surely, 2^163287040 is an apocalyptic number.

163287040 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 163287040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240618816).

163287040 is an abundant number, since it is smaller than the sum of its proper divisors (317950592).

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

163287040 is an equidigital number, since it uses as much as digits as its factorization.

163287040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 163287040 is about 12778.3817441803. The cubic root of 163287040 is about 546.5760177540.

The spelling of 163287040 in words is "one hundred sixty-three million, two hundred eighty-seven thousand, forty".