65950805955 has 32 divisors (see below), whose sum is σ = 108393480000. Its totient is φ = 34216722432.

The previous prime is 65950805953. The next prime is 65950805993. The reversal of 65950805955 is 55950805956.

It is not a de Polignac number, because 65950805955 - 2¹ = 65950805953 is a prime.

It is a super-2 number, since 2×65950805955² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65950805895 and 65950805904.

It is not an unprimeable number, because it can be changed into a prime (65950805951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4971171 + ... + 4984419.

It is an arithmetic number, because the mean of its divisors is an integer number (3387296250).

Almost surely, 2^65950805955 is an apocalyptic number.

65950805955 is a deficient number, since it is larger than the sum of its proper divisors (42442674045).

65950805955 is a wasteful number, since it uses less digits than its factorization.

65950805955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22263.

The product of its (nonzero) digits is 12150000, while the sum is 57.

Subtracting from 65950805955 its reverse (55950805956), we obtain a palindrome (9999999999).

The spelling of 65950805955 in words is "sixty-five billion, nine hundred fifty million, eight hundred five thousand, nine hundred fifty-five".