64536525110666 has 24 divisors (see below), whose sum is σ = 112629621713760. Its totient is φ = 27653605663992.

The previous prime is 64536525110633. The next prime is 64536525110683. The reversal of 64536525110666 is 66601152563546.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57838580 + ... + 58943823.

It is an arithmetic number, because the mean of its divisors is an integer number (4692900904740).

Almost surely, 2^{64536525110666} is an apocalyptic number.

64536525110666 is a deficient number, since it is larger than the sum of its proper divisors (48093096603094).

64536525110666 is a wasteful number, since it uses less digits than its factorization.

64536525110666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116788058 (or 116788051 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 64536525110666 in words is "sixty-four trillion, five hundred thirty-six billion, five hundred twenty-five million, one hundred ten thousand, six hundred sixty-six".