1940167603 has 6 divisors (see below), whose sum is σ = 2132581052. Its totient is φ = 1763788620.

The previous prime is 1940167597. The next prime is 1940167609. The reversal of 1940167603 is 3067610491.

It is an interprime number because it is at equal distance from previous prime (1940167597) and next prime (1940167609).

It is not a de Polignac number, because 1940167603 - 2⁹ = 1940167091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940167609) 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, 8017101 + ... + 8017342.

Almost surely, 2^1940167603 is an apocalyptic number.

1940167603 is a deficient number, since it is larger than the sum of its proper divisors (192413449).

1940167603 is a wasteful number, since it uses less digits than its factorization.

1940167603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16034465 (or 16034454 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1940167603 is about 44047.3336650472. Note that the first 3 decimals coincide. The cubic root of 1940167603 is about 1247.2296198377.

The spelling of 1940167603 in words is "one billion, nine hundred forty million, one hundred sixty-seven thousand, six hundred three".