5091664 has 10 divisors (see below), whose sum is σ = 9865130. Its totient is φ = 2545824.

The previous prime is 5091661. The next prime is 5091689. The reversal of 5091664 is 4661905.

5091664 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3968064 + 1123600 = 1992^2 + 1060^2 .

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159099 + ... + 159130.

It is an arithmetic number, because the mean of its divisors is an integer number (986513).

Almost surely, 2^5091664 is an apocalyptic number.

It is an amenable number.

5091664 is a deficient number, since it is larger than the sum of its proper divisors (4773466).

5091664 is a wasteful number, since it uses less digits than its factorization.

5091664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318237 (or 318231 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5091664 is about 2256.4715819172. The cubic root of 5091664 is about 172.0362281719.

The spelling of 5091664 in words is "five million, ninety-one thousand, six hundred sixty-four".