65452664 has 16 divisors (see below), whose sum is σ = 128059920. Its totient is φ = 31303360.

The previous prime is 65452661. The next prime is 65452693. The reversal of 65452664 is 46625456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65452661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177677 + ... + 178044.

It is an arithmetic number, because the mean of its divisors is an integer number (8003745).

Almost surely, 2^65452664 is an apocalyptic number.

It is an amenable number.

65452664 is a deficient number, since it is larger than the sum of its proper divisors (62607256).

65452664 is a wasteful number, since it uses less digits than its factorization.

65452664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355750 (or 355746 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 65452664 is about 8090.2820717204. The cubic root of 65452664 is about 403.0037702812.

The spelling of 65452664 in words is "sixty-five million, four hundred fifty-two thousand, six hundred sixty-four".