7057056721166 has 16 divisors (see below), whose sum is σ = 11208331630656. Its totient is φ = 3320948587776.

The previous prime is 7057056721163. The next prime is 7057056721189. The reversal of 7057056721166 is 6611276507507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7057056721163) by changing a digit.

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, 6580955 + ... + 7577801.

It is an arithmetic number, because the mean of its divisors is an integer number (700520726916).

Almost surely, 2^{7057056721166} is an apocalyptic number.

7057056721166 is a deficient number, since it is larger than the sum of its proper divisors (4151274909490).

7057056721166 is a wasteful number, since it uses less digits than its factorization.

7057056721166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205083.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 7057056721166 in words is "seven trillion, fifty-seven billion, fifty-six million, seven hundred twenty-one thousand, one hundred sixty-six".