163498560 has 112 divisors (see below), whose sum is σ = 533253696. Its totient is φ = 42412032.

The previous prime is 163498547. The next prime is 163498561. The reversal of 163498560 is 65894361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163498561) 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 15 ways as a sum of consecutive naturals, for example, 33219 + ... + 37821.

Almost surely, 2^163498560 is an apocalyptic number.

163498560 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 163498560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266626848).

163498560 is an abundant number, since it is smaller than the sum of its proper divisors (369755136).

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

163498560 is a wasteful number, since it uses less digits than its factorization.

163498560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 163498560 is about 12786.6555439646. The cubic root of 163498560 is about 546.8119251771.

The spelling of 163498560 in words is "one hundred sixty-three million, four hundred ninety-eight thousand, five hundred sixty".