163051520 has 48 divisors (see below), whose sum is σ = 391252680. Its totient is φ = 65216512.

The previous prime is 163051519. The next prime is 163051561. The reversal of 163051520 is 25150361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2279 + ... + 18201.

Almost surely, 2^163051520 is an apocalyptic number.

163051520 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 163051520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195626340).

163051520 is an abundant number, since it is smaller than the sum of its proper divisors (228201160).

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

163051520 is an equidigital number, since it uses as much as digits as its factorization.

163051520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15950 (or 15930 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 163051520 is about 12769.1628543143. The cubic root of 163051520 is about 546.3131033893.

The spelling of 163051520 in words is "one hundred sixty-three million, fifty-one thousand, five hundred twenty".