2190144560660 has 96 divisors (see below), whose sum is σ = 5574203308800. Its totient is φ = 705636108288.

The previous prime is 2190144560579. The next prime is 2190144560689. The reversal of 2190144560660 is 660654410912.

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, 814766 + ... + 2245914.

It is an arithmetic number, because the mean of its divisors is an integer number (58064617800).

Almost surely, 2^{2190144560660} is an apocalyptic number.

2190144560660 is a gapful number since it is divisible by the number (20) 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 2190144560660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2787101654400).

2190144560660 is an abundant number, since it is smaller than the sum of its proper divisors (3384058748140).

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

2190144560660 is a wasteful number, since it uses less digits than its factorization.

2190144560660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431825 (or 1431823 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 2190144560660 in words is "two trillion, one hundred ninety billion, one hundred forty-four million, five hundred sixty thousand, six hundred sixty".