64466471769804 has 576 divisors, whose sum is σ = 190901437009920. Its totient is φ = 18188113489920.

The previous prime is 64466471769773. The next prime is 64466471769839. The reversal of 64466471769804 is 40896717466446.

64466471769804 is a `hidden beast` number, since 6 + 4 + 4 + 6 + 6 + 471 + 76 + 9 + 80 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4817755194 + ... + 4817768574.

It is an arithmetic number, because the mean of its divisors is an integer number (331426105920).

Almost surely, 2^{64466471769804} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64466471769804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95450718504960).

64466471769804 is an abundant number, since it is smaller than the sum of its proper divisors (126434965240116).

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

64466471769804 is a wasteful number, since it uses less digits than its factorization.

64466471769804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13670 (or 13665 counting only the distinct ones).

The product of its (nonzero) digits is 1170505728, while the sum is 72.

The spelling of 64466471769804 in words is "sixty-four trillion, four hundred sixty-six billion, four hundred seventy-one million, seven hundred sixty-nine thousand, eight hundred four".