66055053465154 has 32 divisors (see below), whose sum is σ = 108444083070960. Its totient is φ = 29992018977792.

The previous prime is 66055053465133. The next prime is 66055053465169. The reversal of 66055053465154 is 45156435055066.

It can be written as a sum of positive squares in 8 ways, for example, as 27385597265625 + 38669456199529 = 5233125^2 + 6218477^2 .

It is a super-3 number, since 3×66055053465154³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66055053465095 and 66055053465104.

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, 43994907 + ... + 45471550.

Almost surely, 2^{66055053465154} is an apocalyptic number.

66055053465154 is a deficient number, since it is larger than the sum of its proper divisors (42389029605806).

66055053465154 is a wasteful number, since it uses less digits than its factorization.

66055053465154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89466934.

The product of its (nonzero) digits is 32400000, while the sum is 55.

The spelling of 66055053465154 in words is "sixty-six trillion, fifty-five billion, fifty-three million, four hundred sixty-five thousand, one hundred fifty-four".