2057668163 has 4 divisors (see below), whose sum is σ = 2080788120. Its totient is φ = 2034548208.

The previous prime is 2057668147. The next prime is 2057668177. The reversal of 2057668163 is 3618667502.

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

It is a cyclic number.

It is not a de Polignac number, because 2057668163 - 2⁴ = 2057668147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057668103) 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, 11559845 + ... + 11560022.

It is an arithmetic number, because the mean of its divisors is an integer number (520197030).

Almost surely, 2^2057668163 is an apocalyptic number.

2057668163 is a deficient number, since it is larger than the sum of its proper divisors (23119957).

2057668163 is an equidigital number, since it uses as much as digits as its factorization.

2057668163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23119956.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2057668163 is about 45361.5273442154. The cubic root of 2057668163 is about 1271.9160453387.

The spelling of 2057668163 in words is "two billion, fifty-seven million, six hundred sixty-eight thousand, one hundred sixty-three".