163849396 has 6 divisors (see below), whose sum is σ = 286736450. Its totient is φ = 81924696.

The previous prime is 163849381. The next prime is 163849403. The reversal of 163849396 is 693948361.

It can be written as a sum of positive squares in only one way, i.e., 109620900 + 54228496 = 10470^2 + 7364^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20481171 + ... + 20481178.

Almost surely, 2^163849396 is an apocalyptic number.

It is an amenable number.

163849396 is a deficient number, since it is larger than the sum of its proper divisors (122887054).

163849396 is a wasteful number, since it uses less digits than its factorization.

163849396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40962353 (or 40962351 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 163849396 is about 12800.3670259880. The cubic root of 163849396 is about 547.2027629801.

The spelling of 163849396 in words is "one hundred sixty-three million, eight hundred forty-nine thousand, three hundred ninety-six".