64659496 has 24 divisors (see below), whose sum is σ = 133262010. Its totient is φ = 29390240.

The previous prime is 64659467. The next prime is 64659499. The reversal of 64659496 is 69495646.

It can be written as a sum of positive squares in only one way, i.e., 60996100 + 3663396 = 7810^2 + 1914^2 .

It is not an unprimeable number, because it can be changed into a prime (64659499) 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 5 ways as a sum of consecutive naturals, for example, 32431 + ... + 34366.

Almost surely, 2^64659496 is an apocalyptic number.

It is an amenable number.

64659496 is an abundant number, since it is smaller than the sum of its proper divisors (68602514).

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

64659496 is a wasteful number, since it uses less digits than its factorization.

64659496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66825 (or 66810 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 64659496 is about 8041.1128583051. The cubic root of 64659496 is about 401.3692574866.

The spelling of 64659496 in words is "sixty-four million, six hundred fifty-nine thousand, four hundred ninety-six".