163313660 has 48 divisors (see below), whose sum is σ = 353082240. Its totient is φ = 63413760.

The previous prime is 163313659. The next prime is 163313663. The reversal of 163313660 is 66313361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163313663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226781 + ... + 227499.

It is an arithmetic number, because the mean of its divisors is an integer number (7355880).

Almost surely, 2^163313660 is an apocalyptic number.

163313660 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 163313660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176541120).

163313660 is an abundant number, since it is smaller than the sum of its proper divisors (189768580).

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

163313660 is a wasteful number, since it uses less digits than its factorization.

163313660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 163313660 is about 12779.4233046722. The cubic root of 163313660 is about 546.6057181373.

It can be divided in two parts, 16331 and 3660, that added together give a palindrome (19991).

The spelling of 163313660 in words is "one hundred sixty-three million, three hundred thirteen thousand, six hundred sixty".