66153357445255 has 16 divisors (see below), whose sum is σ = 82066281897600. Its totient is φ = 51158201667840.

The previous prime is 66153357445193. The next prime is 66153357445267. The reversal of 66153357445255 is 55254475335166.

It is a happy number.

66153357445255 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66153357445255 - 2³⁵ = 66118997706887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66153357445193 and 66153357445202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480249695 + ... + 1480294384.

It is an arithmetic number, because the mean of its divisors is an integer number (5129142618600).

Almost surely, 2^{66153357445255} is an apocalyptic number.

66153357445255 is a deficient number, since it is larger than the sum of its proper divisors (15912924452345).

66153357445255 is a wasteful number, since it uses less digits than its factorization.

66153357445255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960544234.

The product of its digits is 226800000, while the sum is 61.

The spelling of 66153357445255 in words is "sixty-six trillion, one hundred fifty-three billion, three hundred fifty-seven million, four hundred forty-five thousand, two hundred fifty-five".