2055516681506 has 16 divisors (see below), whose sum is σ = 3182774860800. Its totient is φ = 994592547840.

The previous prime is 2055516681499. The next prime is 2055516681577. The reversal of 2055516681506 is 6051866155502.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6723095 + ... + 7022181.

It is an arithmetic number, because the mean of its divisors is an integer number (198923428800).

Almost surely, 2^{2055516681506} is an apocalyptic number.

2055516681506 is a deficient number, since it is larger than the sum of its proper divisors (1127258179294).

2055516681506 is a wasteful number, since it uses less digits than its factorization.

2055516681506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409969.

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 2055516681506 in words is "two trillion, fifty-five billion, five hundred sixteen million, six hundred eighty-one thousand, five hundred six".