1994168241 has 40 divisors (see below), whose sum is σ = 3347615040. Its totient is φ = 1173810528.

The previous prime is 1994168233. The next prime is 1994168249. The reversal of 1994168241 is 1428614991.

It is a happy number.

1994168241 is a `hidden beast` number, since 199 + 416 + 8 + 2 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (1994168233) and next prime (1994168249).

It is not a de Polignac number, because 1994168241 - 2³ = 1994168233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994168249) 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 39 ways as a sum of consecutive naturals, for example, 16951 + ... + 65388.

It is an arithmetic number, because the mean of its divisors is an integer number (83690376).

Almost surely, 2^1994168241 is an apocalyptic number.

It is an amenable number.

1994168241 is a deficient number, since it is larger than the sum of its proper divisors (1353446799).

1994168241 is a wasteful number, since it uses less digits than its factorization.

1994168241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82387 (or 82378 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1994168241 is about 44656.1109032123. The cubic root of 1994168241 is about 1258.6952650544.

The spelling of 1994168241 in words is "one billion, nine hundred ninety-four million, one hundred sixty-eight thousand, two hundred forty-one".