1662517248 has 160 divisors (see below), whose sum is σ = 5100268800. Its totient is φ = 471859200.

The previous prime is 1662517237. The next prime is 1662517253. The reversal of 1662517248 is 8427152661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11009973 + ... + 11010123.

It is an arithmetic number, because the mean of its divisors is an integer number (31876680).

Almost surely, 2^1662517248 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 1662517248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550134400).

1662517248 is an abundant number, since it is smaller than the sum of its proper divisors (3437751552).

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

1662517248 is an frugal number, since it uses more digits than its factorization.

1662517248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 163 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 1662517248 is about 40773.9775837482. The cubic root of 1662517248 is about 1184.6463478481.

The spelling of 1662517248 in words is "one billion, six hundred sixty-two million, five hundred seventeen thousand, two hundred forty-eight".