163496520 has 384 divisors, whose sum is σ = 636854400. Its totient is φ = 35942400.

The previous prime is 163496513. The next prime is 163496521. The reversal of 163496520 is 25694361.

It is a happy number.

163496520 is a `hidden beast` number, since 16 + 34 + 96 + 520 = 666.

It is a super-2 number, since 2×163496520² = 53462224104220800, which contains 22 as substring.

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 (163496521) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 3084814 + ... + 3084866.

It is an arithmetic number, because the mean of its divisors is an integer number (1658475).

Almost surely, 2^163496520 is an apocalyptic number.

163496520 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 163496520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318427200).

163496520 is an abundant number, since it is smaller than the sum of its proper divisors (473357880).

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

163496520 is a wasteful number, since it uses less digits than its factorization.

163496520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 163496520 is about 12786.5757730520. The cubic root of 163496520 is about 546.8096509451.

The spelling of 163496520 in words is "one hundred sixty-three million, four hundred ninety-six thousand, five hundred twenty".