3081204660 has 96 divisors (see below), whose sum is σ = 9067806720. Its totient is φ = 780227712.

The previous prime is 3081204589. The next prime is 3081204671. The reversal of 3081204660 is 664021803.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183789 + ... + 199851.

It is an arithmetic number, because the mean of its divisors is an integer number (94456320).

Almost surely, 2^3081204660 is an apocalyptic number.

3081204660 is a gapful number since it is divisible by the number (30) 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 3081204660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4533903360).

3081204660 is an abundant number, since it is smaller than the sum of its proper divisors (5986602060).

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

3081204660 is a wasteful number, since it uses less digits than its factorization.

3081204660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16237 (or 16235 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3081204660 is about 55508.5998742537. The cubic root of 3081204660 is about 1455.1469342998.

The spelling of 3081204660 in words is "three billion, eighty-one million, two hundred four thousand, six hundred sixty".