5001660 has 72 divisors (see below), whose sum is σ = 15602496. Its totient is φ = 1296000.

The previous prime is 5001653. The next prime is 5001671. The reversal of 5001660 is 661005.

5001660 is a `hidden beast` number, since 5 + 0 + 0 + 1 + 660 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6285 + ... + 7035.

Almost surely, 2^5001660 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 5001660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7801248).

5001660 is an abundant number, since it is smaller than the sum of its proper divisors (10600836).

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

5001660 is a wasteful number, since it uses less digits than its factorization.

5001660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5001660 is about 2236.4391339806. The cubic root of 5001660 is about 171.0165163076.

Adding to 5001660 its reverse (661005), we get a palindrome (5662665).

The spelling of 5001660 in words is "five million, one thousand, six hundred sixty".