66255086404 has 12 divisors (see below), whose sum is σ = 124865355244. Its totient is φ = 30579270624.

The previous prime is 66255086363. The next prime is 66255086431. The reversal of 66255086404 is 40468055266.

66255086404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24180872004 + 42074214400 = 155502^2 + 205120^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637068087 + ... + 637068190.

Almost surely, 2^66255086404 is an apocalyptic number.

It is an amenable number.

66255086404 is a deficient number, since it is larger than the sum of its proper divisors (58610268840).

66255086404 is a wasteful number, since it uses less digits than its factorization.

66255086404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274136294 (or 1274136292 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 66255086404 in words is "sixty-six billion, two hundred fifty-five million, eighty-six thousand, four hundred four".