64795163537280 has 512 divisors, whose sum is σ = 247480626585600. Its totient is φ = 14234175774720.

The previous prime is 64795163537233. The next prime is 64795163537311. The reversal of 64795163537280 is 8273536159746.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5719197 + ... + 12739683.

It is an arithmetic number, because the mean of its divisors is an integer number (483360598800).

It is a 1-persistent number, because it is pandigital, but 2⋅64795163537280 = 129590327074560 is not.

Almost surely, 2^{64795163537280} is an apocalyptic number.

64795163537280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64795163537280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123740313292800).

64795163537280 is an abundant number, since it is smaller than the sum of its proper divisors (182685463048320).

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

64795163537280 is a wasteful number, since it uses less digits than its factorization.

64795163537280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020562 (or 7020550 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 66.

The spelling of 64795163537280 in words is "sixty-four trillion, seven hundred ninety-five billion, one hundred sixty-three million, five hundred thirty-seven thousand, two hundred eighty".