19941116 has 12 divisors (see below), whose sum is σ = 37581432. Its totient is φ = 9203568.

The previous prime is 19941071. The next prime is 19941139. The reversal of 19941116 is 61114991.

19941116 = T₁₉₀ + T₁₉₁ + ... + T₅₀₁.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191690 + ... + 191793.

It is an arithmetic number, because the mean of its divisors is an integer number (3131786).

Almost surely, 2^19941116 is an apocalyptic number.

It is an amenable number.

19941116 is a deficient number, since it is larger than the sum of its proper divisors (17640316).

19941116 is a wasteful number, since it uses less digits than its factorization.

19941116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383500 (or 383498 counting only the distinct ones).

The product of its digits is 1944, while the sum is 32.

The square root of 19941116 is about 4465.5476707790. The cubic root of 19941116 is about 271.1751068481.

The spelling of 19941116 in words is "nineteen million, nine hundred forty-one thousand, one hundred sixteen".