1406655566055 has 24 divisors (see below), whose sum is σ = 2438324364528. Its totient is φ = 750178953216.

The previous prime is 1406655566051. The next prime is 1406655566059. The reversal of 1406655566055 is 5506655566041.

1406655566055 is a `hidden beast` number, since 14 + 0 + 6 + 65 + 5 + 566 + 0 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1406655566051) and next prime (1406655566059).

It is not a de Polignac number, because 1406655566055 - 2² = 1406655566051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1406655565992 and 1406655566010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406655566051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147964 + ... + 1683806.

It is an arithmetic number, because the mean of its divisors is an integer number (101596848522).

Almost surely, 2^{1406655566055} is an apocalyptic number.

1406655566055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1406655566055 is a deficient number, since it is larger than the sum of its proper divisors (1031668798473).

1406655566055 is a wasteful number, since it uses less digits than its factorization.

1406655566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556207 (or 1556204 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 54.

The spelling of 1406655566055 in words is "one trillion, four hundred six billion, six hundred fifty-five million, five hundred sixty-six thousand, fifty-five".