2056755666766 has 16 divisors (see below), whose sum is σ = 3113971748784. Its totient is φ = 1018774067584.

The previous prime is 2056755666733. The next prime is 2056755666827. The reversal of 2056755666766 is 6676665576502.

It is a congruent 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, 1786765 + ... + 2702968.

It is an arithmetic number, because the mean of its divisors is an integer number (194623234299).

Almost surely, 2^{2056755666766} is an apocalyptic number.

2056755666766 is a deficient number, since it is larger than the sum of its proper divisors (1057216082018).

2056755666766 is a wasteful number, since it uses less digits than its factorization.

2056755666766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491875.

The product of its (nonzero) digits is 571536000, while the sum is 67.

The spelling of 2056755666766 in words is "two trillion, fifty-six billion, seven hundred fifty-five million, six hundred sixty-six thousand, seven hundred sixty-six".