55916166219 has 8 divisors (see below), whose sum is σ = 74556036240. Its totient is φ = 37276870176.

The previous prime is 55916166209. The next prime is 55916166221. The reversal of 55916166219 is 91266161955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55916166219 - 2⁷ = 55916166091 is a prime.

It is a super-2 number, since 2×55916166219² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55916166209) 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 7 ways as a sum of consecutive naturals, for example, 204117 + ... + 391785.

It is an arithmetic number, because the mean of its divisors is an integer number (9319504530).

Almost surely, 2^55916166219 is an apocalyptic number.

55916166219 is a deficient number, since it is larger than the sum of its proper divisors (18639870021).

55916166219 is a wasteful number, since it uses less digits than its factorization.

55916166219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286989.

The product of its digits is 874800, while the sum is 51.

The spelling of 55916166219 in words is "fifty-five billion, nine hundred sixteen million, one hundred sixty-six thousand, two hundred nineteen".