66450004554255 has 64 divisors (see below), whose sum is σ = 125830722889728. Its totient is φ = 29315401090560.

The previous prime is 66450004554211. The next prime is 66450004554293. The reversal of 66450004554255 is 55245540005466.

It is not a de Polignac number, because 66450004554255 - 2⁶ = 66450004554191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66450004554198 and 66450004554207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97535139 + ... + 98214068.

It is an arithmetic number, because the mean of its divisors is an integer number (1966105045152).

Almost surely, 2^{66450004554255} is an apocalyptic number.

66450004554255 is a deficient number, since it is larger than the sum of its proper divisors (59380718335473).

66450004554255 is a wasteful number, since it uses less digits than its factorization.

66450004554255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195749336.

The product of its (nonzero) digits is 14400000, while the sum is 51.

The spelling of 66450004554255 in words is "sixty-six trillion, four hundred fifty billion, four million, five hundred fifty-four thousand, two hundred fifty-five".