163676884900 has 81 divisors (see below), whose sum is σ = 371504015841. Its totient is φ = 62588597280.

The previous prime is 163676884897. The next prime is 163676884907. The reversal of 163676884900 is 9488676361.

It is a happy number.

The square root of 163676884900 is 404570.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 58923678564 + 104753206336 = 242742^2 + 323656^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163676884907) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 93050221 + ... + 93051979.

Almost surely, 2^163676884900 is an apocalyptic number.

163676884900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163676884900 is the 404570-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163676884900

163676884900 is an abundant number, since it is smaller than the sum of its proper divisors (207827130941).

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

163676884900 is an equidigital number, since it uses as much as digits as its factorization.

163676884900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

It can be divided in two parts, 163676 and 884900, that added together give a 20-th power (1048576 = 2²⁰).

The spelling of 163676884900 in words is "one hundred sixty-three billion, six hundred seventy-six million, eight hundred eighty-four thousand, nine hundred".