54663772678164 has 288 divisors, whose sum is σ = 161848721099520. Its totient is φ = 15399528689664.

The previous prime is 54663772678159. The next prime is 54663772678259. The reversal of 54663772678164 is 46187627736645.

54663772678164 is a `hidden beast` number, since 5 + 4 + 6 + 6 + 377 + 26 + 78 + 164 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 54663772678092 and 54663772678101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1966096687 + ... + 1966124489.

It is an arithmetic number, because the mean of its divisors is an integer number (561974726040).

Almost surely, 2^{54663772678164} 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 54663772678164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80924360549760).

54663772678164 is an abundant number, since it is smaller than the sum of its proper divisors (107184948421356).

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

54663772678164 is a wasteful number, since it uses less digits than its factorization.

54663772678164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34559 (or 34554 counting only the distinct ones).

The product of its digits is 1706987520, while the sum is 72.

The spelling of 54663772678164 in words is "fifty-four trillion, six hundred sixty-three billion, seven hundred seventy-two million, six hundred seventy-eight thousand, one hundred sixty-four".