216655407154 has 16 divisors (see below), whose sum is σ = 342159652800. Its totient is φ = 102604595184.

The previous prime is 216655407139. The next prime is 216655407167. The reversal of 216655407154 is 451704556612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418177 + ... + 779860.

It is an arithmetic number, because the mean of its divisors is an integer number (21384978300).

Almost surely, 2^216655407154 is an apocalyptic number.

216655407154 is a deficient number, since it is larger than the sum of its proper divisors (125504245646).

216655407154 is a wasteful number, since it uses less digits than its factorization.

216655407154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202817.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 216655407154 in words is "two hundred sixteen billion, six hundred fifty-five million, four hundred seven thousand, one hundred fifty-four".