2043168957 has 6 divisors (see below), whose sum is σ = 2951244062. Its totient is φ = 1362112632.

The previous prime is 2043168947. The next prime is 2043168961. The reversal of 2043168957 is 7598613402.

2043168957 is a `hidden beast` number, since 204 + 316 + 89 + 57 = 666.

2043168957 is digitally balanced in base 4 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1611942201 + 431226756 = 40149^2 + 20766^2 .

It is not a de Polignac number, because 2043168957 - 2²⁷ = 1908951229 is a prime.

It is a Duffinian number.

2043168957 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043168937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113509378 + ... + 113509395.

It is a 1-persistent number, because it is pandigital, but 2⋅2043168957 = 4086337914 is not.

Almost surely, 2^2043168957 is an apocalyptic number.

It is an amenable number.

2043168957 is a deficient number, since it is larger than the sum of its proper divisors (908075105).

2043168957 is a wasteful number, since it uses less digits than its factorization.

2043168957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227018779 (or 227018776 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2043168957 is about 45201.4264929770. The cubic root of 2043168957 is about 1268.9215133644.

The spelling of 2043168957 in words is "two billion, forty-three million, one hundred sixty-eight thousand, nine hundred fifty-seven".