1662424560 has 200 divisors, whose sum is σ = 6113889936. Its totient is φ = 417208320.

The previous prime is 1662424529. The next prime is 1662424579. The reversal of 1662424560 is 654242661.

1662424560 is a `hidden beast` number, since 1 + 6 + 624 + 24 + 5 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 102615 + ... + 117705.

Almost surely, 2^1662424560 is an apocalyptic number.

1662424560 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 1662424560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3056944968).

1662424560 is an abundant number, since it is smaller than the sum of its proper divisors (4451465376).

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

1662424560 is a wasteful number, since it uses less digits than its factorization.

1662424560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15133 (or 15118 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 1662424560 is about 40772.8409606199. The cubic root of 1662424560 is about 1184.6243321284.

The spelling of 1662424560 in words is "one billion, six hundred sixty-two million, four hundred twenty-four thousand, five hundred sixty".