64864818060336 has 60 divisors (see below), whose sum is σ = 207464457767632. Its totient is φ = 18532805159808.

The previous prime is 64864818060277. The next prime is 64864818060433. The reversal of 64864818060336 is 63306081846846.

64864818060336 is a `hidden beast` number, since 6 + 4 + 8 + 6 + 4 + 8 + 18 + 0 + 603 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 32175007951 + ... + 32175009966.

Almost surely, 2^{64864818060336} is an apocalyptic number.

It is an amenable number.

64864818060336 is an abundant number, since it is smaller than the sum of its proper divisors (142599639707296).

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

64864818060336 is a wasteful number, since it uses less digits than its factorization.

64864818060336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64350017938 (or 64350017929 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 63.

The spelling of 64864818060336 in words is "sixty-four trillion, eight hundred sixty-four billion, eight hundred eighteen million, sixty thousand, three hundred thirty-six".