163379520 has 336 divisors, whose sum is σ = 616232448. Its totient is φ = 39567360.

The previous prime is 163379509. The next prime is 163379521. The reversal of 163379520 is 25973361.

163379520 is a `hidden beast` number, since 1 + 63 + 3 + 79 + 520 = 666.

163379520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163379521) 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, 2301085 + ... + 2301155.

Almost surely, 2^163379520 is an apocalyptic number.

163379520 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 163379520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308116224).

163379520 is an abundant number, since it is smaller than the sum of its proper divisors (452852928).

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

163379520 is a wasteful number, since it uses less digits than its factorization.

163379520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 163379520 is about 12781.9998435300. Note that the first 3 decimals coincide. The cubic root of 163379520 is about 546.6791853832.

The spelling of 163379520 in words is "one hundred sixty-three million, three hundred seventy-nine thousand, five hundred twenty".