2056167161057 has 4 divisors (see below), whose sum is σ = 2063590147476. Its totient is φ = 2048744174640.

The previous prime is 2056167161033. The next prime is 2056167161077. The reversal of 2056167161057 is 7501617616502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 902270114641 + 1153897046416 = 949879^2 + 1074196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056167161057 - 2¹⁴ = 2056167144673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056167161077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3711492794 + ... + 3711493347.

It is an arithmetic number, because the mean of its divisors is an integer number (515897536869).

Almost surely, 2^{2056167161057} is an apocalyptic number.

It is an amenable number.

2056167161057 is a deficient number, since it is larger than the sum of its proper divisors (7422986419).

2056167161057 is an equidigital number, since it uses as much as digits as its factorization.

2056167161057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422986418.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 2056167161057 in words is "two trillion, fifty-six billion, one hundred sixty-seven million, one hundred sixty-one thousand, fifty-seven".