1940167163 has 4 divisors (see below), whose sum is σ = 2116546008. Its totient is φ = 1763788320.

The previous prime is 1940167129. The next prime is 1940167259. The reversal of 1940167163 is 3617610491.

It is a happy number.

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 1940167163 - 2¹⁰ = 1940166139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940137163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88189406 + ... + 88189427.

It is an arithmetic number, because the mean of its divisors is an integer number (529136502).

Almost surely, 2^1940167163 is an apocalyptic number.

1940167163 is a deficient number, since it is larger than the sum of its proper divisors (176378845).

1940167163 is a wasteful number, since it uses less digits than its factorization.

1940167163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176378844.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1940167163 is about 44047.3286704200. The cubic root of 1940167163 is about 1247.2295255536.

The spelling of 1940167163 in words is "one billion, nine hundred forty million, one hundred sixty-seven thousand, one hundred sixty-three".