65155627152 has 640 divisors, whose sum is σ = 241664532480. Its totient is φ = 16315914240.

The previous prime is 65155627129. The next prime is 65155627153. The reversal of 65155627152 is 25172655156.

65155627152 is a `hidden beast` number, since 6 + 5 + 1 + 5 + 5 + 627 + 15 + 2 = 666.

It is a super-2 number, since 2×65155627152² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65155627098 and 65155627107.

It is not an unprimeable number, because it can be changed into a prime (65155627153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 205538098 + ... + 205538414.

It is an arithmetic number, because the mean of its divisors is an integer number (377600832).

Almost surely, 2^65155627152 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 65155627152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120832266240).

65155627152 is an abundant number, since it is smaller than the sum of its proper divisors (176508905328).

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

65155627152 is a wasteful number, since it uses less digits than its factorization.

65155627152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 544 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The spelling of 65155627152 in words is "sixty-five billion, one hundred fifty-five million, six hundred twenty-seven thousand, one hundred fifty-two".