5091660 has 120 divisors (see below), whose sum is σ = 18295200. Its totient is φ = 1161216.

The previous prime is 5091659. The next prime is 5091661. The reversal of 5091660 is 661905.

It is an interprime number because it is at equal distance from previous prime (5091659) and next prime (5091661).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5091661) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 11116 + ... + 11564.

It is an arithmetic number, because the mean of its divisors is an integer number (152460).

Almost surely, 2^5091660 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 5091660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9147600).

5091660 is an abundant number, since it is smaller than the sum of its proper divisors (13203540).

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

5091660 is a wasteful number, since it uses less digits than its factorization.

5091660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5091660 is about 2256.4706955775. The cubic root of 5091660 is about 172.0361831215.

The spelling of 5091660 in words is "five million, ninety-one thousand, six hundred sixty".