55555006166 has 64 divisors (see below), whose sum is σ = 94908568320. Its totient is φ = 24172080000.

The previous prime is 55555006099. The next prime is 55555006187. The reversal of 55555006166 is 66160055555.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7993505 + ... + 8000451.

It is an arithmetic number, because the mean of its divisors is an integer number (1482946380).

Almost surely, 2^55555006166 is an apocalyptic number.

55555006166 is a deficient number, since it is larger than the sum of its proper divisors (39353562154).

55555006166 is a wasteful number, since it uses less digits than its factorization.

55555006166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 55555006166 in words is "fifty-five billion, five hundred fifty-five million, six thousand, one hundred sixty-six".