1662541248 has 112 divisors (see below), whose sum is σ = 4701296160. Its totient is φ = 516685824.

The previous prime is 1662541229. The next prime is 1662541273. The reversal of 1662541248 is 8421452661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353440 + ... + 358112.

Almost surely, 2^1662541248 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 1662541248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2350648080).

1662541248 is an abundant number, since it is smaller than the sum of its proper divisors (3038754912).

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

1662541248 is a wasteful number, since it uses less digits than its factorization.

1662541248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814 (or 4804 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 1662541248 is about 40774.2718880423. The cubic root of 1662541248 is about 1184.6520483154.

The spelling of 1662541248 in words is "one billion, six hundred sixty-two million, five hundred forty-one thousand, two hundred forty-eight".