163694896 has 20 divisors (see below), whose sum is σ = 317373784. Its totient is φ = 81792000.

The previous prime is 163694893. The next prime is 163694939. The reversal of 163694896 is 698496361.

It is not an unprimeable number, because it can be changed into a prime (163694891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31696 + ... + 36496.

Almost surely, 2^163694896 is an apocalyptic number.

163694896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163694896 is a deficient number, since it is larger than the sum of its proper divisors (153678888).

163694896 is a wasteful number, since it uses less digits than its factorization.

163694896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940 (or 6934 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 163694896 is about 12794.3306194580. The cubic root of 163694896 is about 547.0307159341.

The spelling of 163694896 in words is "one hundred sixty-three million, six hundred ninety-four thousand, eight hundred ninety-six".