65375257356 has 24 divisors (see below), whose sum is σ = 169491408240. Its totient is φ = 21791752416.

The previous prime is 65375257309. The next prime is 65375257397.

65375257356 is a `hidden beast` number, since 6 + 5 + 37 + 5 + 257 + 356 = 666.

65375257356 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65375257356² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302663121 + ... + 302663336.

It is an arithmetic number, because the mean of its divisors is an integer number (7062142010).

Almost surely, 2^65375257356 is an apocalyptic number.

It is an amenable number.

65375257356 is an abundant number, since it is smaller than the sum of its proper divisors (104116150884).

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

65375257356 is a wasteful number, since it uses less digits than its factorization.

65375257356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605326470 (or 605326462 counting only the distinct ones).

The product of its digits is 19845000, while the sum is 54.

The spelling of 65375257356 in words is "sixty-five billion, three hundred seventy-five million, two hundred fifty-seven thousand, three hundred fifty-six".