65172584740768 has 48 divisors (see below), whose sum is σ = 130484706528960. Its totient is φ = 32033624011776.

The previous prime is 65172584740693. The next prime is 65172584740789. The reversal of 65172584740768 is 86704748527156.

It is a super-2 number, since 2×65172584740768² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65172584740697 and 65172584740706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265316821 + ... + 265562347.

It is an arithmetic number, because the mean of its divisors is an integer number (2718431386020).

Almost surely, 2^{65172584740768} is an apocalyptic number.

It is an amenable number.

65172584740768 is an abundant number, since it is smaller than the sum of its proper divisors (65312121788192).

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

65172584740768 is a wasteful number, since it uses less digits than its factorization.

65172584740768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386189 (or 386181 counting only the distinct ones).

The product of its (nonzero) digits is 632217600, while the sum is 70.

The spelling of 65172584740768 in words is "sixty-five trillion, one hundred seventy-two billion, five hundred eighty-four million, seven hundred forty thousand, seven hundred sixty-eight".