18696968 has 16 divisors (see below), whose sum is σ = 36188160. Its totient is φ = 9046800.

The previous prime is 18696949. The next prime is 18696983. The reversal of 18696968 is 86969681.

It is a super-2 number, since 2×18696968² = 699153224786048, which contains 22 as substring.

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, 37448 + ... + 37943.

It is an arithmetic number, because the mean of its divisors is an integer number (2261760).

Almost surely, 2^18696968 is an apocalyptic number.

It is an amenable number.

18696968 is a deficient number, since it is larger than the sum of its proper divisors (17491192).

18696968 is a wasteful number, since it uses less digits than its factorization.

18696968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75428 (or 75424 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 18696968 is about 4323.9990749305. Note that the first 3 decimals coincide. The cubic root of 18696968 is about 265.4139395232.

The spelling of 18696968 in words is "eighteen million, six hundred ninety-six thousand, nine hundred sixty-eight".