64536061102666 has 8 divisors (see below), whose sum is σ = 97238190720384. Its totient is φ = 32123330862540.

The previous prime is 64536061102621. The next prime is 64536061102697. The reversal of 64536061102666 is 66620116063546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72349843840 + ... + 72349844731.

It is an arithmetic number, because the mean of its divisors is an integer number (12154773840048).

Almost surely, 2^{64536061102666} is an apocalyptic number.

64536061102666 is a deficient number, since it is larger than the sum of its proper divisors (32702129617718).

64536061102666 is a wasteful number, since it uses less digits than its factorization.

64536061102666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144699688796.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 64536061102666 in words is "sixty-four trillion, five hundred thirty-six billion, sixty-one million, one hundred two thousand, six hundred sixty-six".