163036720 has 240 divisors, whose sum is σ = 508896000. Its totient is φ = 47900160.

The previous prime is 163036703. The next prime is 163036721. The reversal of 163036720 is 27630361.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163036721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 819181 + ... + 819379.

It is an arithmetic number, because the mean of its divisors is an integer number (2120400).

Almost surely, 2^163036720 is an apocalyptic number.

163036720 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 163036720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254448000).

163036720 is an abundant number, since it is smaller than the sum of its proper divisors (345859280).

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

163036720 is a wasteful number, since it uses less digits than its factorization.

163036720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 163036720 is about 12768.5833200085. The cubic root of 163036720 is about 546.2965734840.

The spelling of 163036720 in words is "one hundred sixty-three million, thirty-six thousand, seven hundred twenty".