64155714336 has 480 divisors, whose sum is σ = 228690000000. Its totient is φ = 17235099648.

The previous prime is 64155714313. The next prime is 64155714383. The reversal of 64155714336 is 63341755146.

64155714336 is a `hidden beast` number, since 6 + 4 + 1 + 5 + 571 + 43 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64155714291 and 64155714300.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 51365040 + ... + 51366288.

It is an arithmetic number, because the mean of its divisors is an integer number (476437500).

Almost surely, 2^64155714336 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 64155714336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114345000000).

64155714336 is an abundant number, since it is smaller than the sum of its proper divisors (164534285664).

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

64155714336 is a wasteful number, since it uses less digits than its factorization.

64155714336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1429 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 64155714336 in words is "sixty-four billion, one hundred fifty-five million, seven hundred fourteen thousand, three hundred thirty-six".