54687609166 has 16 divisors (see below), whose sum is σ = 84596173200. Its totient is φ = 26497837120.

The previous prime is 54687609149. The next prime is 54687609181. The reversal of 54687609166 is 66190678645.

It is a self number, because there is not a number n which added to its sum of digits gives 54687609166.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2225776 + ... + 2250211.

It is an arithmetic number, because the mean of its divisors is an integer number (5287260825).

Almost surely, 2^54687609166 is an apocalyptic number.

54687609166 is a deficient number, since it is larger than the sum of its proper divisors (29908564034).

54687609166 is a wasteful number, since it uses less digits than its factorization.

54687609166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476179.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 54687609166 in words is "fifty-four billion, six hundred eighty-seven million, six hundred nine thousand, one hundred sixty-six".