1141666460 has 72 divisors (see below), whose sum is σ = 2660500080. Its totient is φ = 411178240.

The previous prime is 1141666453. The next prime is 1141666489. The reversal of 1141666460 is 646661411.

It is a self number, because there is not a number n which added to its sum of digits gives 1141666460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256736 + ... + 261144.

It is an arithmetic number, because the mean of its divisors is an integer number (36951390).

Almost surely, 2^1141666460 is an apocalyptic number.

1141666460 is a gapful number since it is divisible by the number (10) 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 1141666460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330250040).

1141666460 is an abundant number, since it is smaller than the sum of its proper divisors (1518833620).

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

1141666460 is a wasteful number, since it uses less digits than its factorization.

1141666460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547 (or 4534 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1141666460 is about 33788.5551629542. Note that the first 3 decimals coincide. The cubic root of 1141666460 is about 1045.1527016003.

The spelling of 1141666460 in words is "one billion, one hundred forty-one million, six hundred sixty-six thousand, four hundred sixty".