2660145124 has 72 divisors (see below), whose sum is σ = 5854463160. Its totient is φ = 1048287744.

The previous prime is 2660145121. The next prime is 2660145133. The reversal of 2660145124 is 4215410662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 103022500 + 2557122624 = 10150^2 + 50568^2 .

It is not an unprimeable number, because it can be changed into a prime (2660145121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703912 + ... + 707680.

Almost surely, 2^2660145124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2660145124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2927231580).

2660145124 is an abundant number, since it is smaller than the sum of its proper divisors (3194318036).

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

2660145124 is a wasteful number, since it uses less digits than its factorization.

2660145124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077 (or 4068 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2660145124 is about 51576.5947305558. The cubic root of 2660145124 is about 1385.5911796319.

Adding to 2660145124 its reverse (4215410662), we get a palindrome (6875555786).

The spelling of 2660145124 in words is "two billion, six hundred sixty million, one hundred forty-five thousand, one hundred twenty-four".