220163406606660 has 96 divisors (see below), whose sum is σ = 707893824153600. Its totient is φ = 50563844576640.

The previous prime is 220163406606659. The next prime is 220163406606667. The reversal of 220163406606660 is 66606604361022.

It is not an unprimeable number, because it can be changed into a prime (220163406606667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8778432700 + ... + 8778457779.

It is an arithmetic number, because the mean of its divisors is an integer number (7373894001600).

Almost surely, 2^{220163406606660} is an apocalyptic number.

220163406606660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220163406606660 is an abundant number, since it is smaller than the sum of its proper divisors (487730417546940).

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

220163406606660 is a wasteful number, since it uses less digits than its factorization.

220163406606660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17556890521 (or 17556890519 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 220163406606660 in words is "two hundred twenty trillion, one hundred sixty-three billion, four hundred six million, six hundred six thousand, six hundred sixty".