64414767451760 has 80 divisors (see below), whose sum is σ = 170482720550400. Its totient is φ = 22405136497920.

The previous prime is 64414767451757. The next prime is 64414767451799. The reversal of 64414767451760 is 6715476741446.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 64414767451693 and 64414767451702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1591253660 + ... + 1591294139.

It is an arithmetic number, because the mean of its divisors is an integer number (2131034006880).

Almost surely, 2^{64414767451760} is an apocalyptic number.

It is an amenable number.

64414767451760 is an abundant number, since it is smaller than the sum of its proper divisors (106067953098640).

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

64414767451760 is a wasteful number, since it uses less digits than its factorization.

64414767451760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182547846 (or 3182547840 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 62.

The spelling of 64414767451760 in words is "sixty-four trillion, four hundred fourteen billion, seven hundred sixty-seven million, four hundred fifty-one thousand, seven hundred sixty".