163500064 has 108 divisors (see below), whose sum is σ = 406120554. Its totient is φ = 64576512.

The previous prime is 163500053. The next prime is 163500097. The reversal of 163500064 is 460005361.

It can be written as a sum of positive squares in 3 ways, for example, as 34904464 + 128595600 = 5908^2 + 11340^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 264684 + ... + 265300.

Almost surely, 2^163500064 is an apocalyptic number.

163500064 is a gapful number since it is divisible by the number (14) 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 163500064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203060277).

163500064 is an abundant number, since it is smaller than the sum of its proper divisors (242620490).

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

163500064 is a wasteful number, since it uses less digits than its factorization.

163500064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 163500064 is about 12786.7143551422. The cubic root of 163500064 is about 546.8136018537.

The spelling of 163500064 in words is "one hundred sixty-three million, five hundred thousand, sixty-four".