163649316 has 24 divisors (see below), whose sum is σ = 382203360. Its totient is φ = 54499072.

The previous prime is 163649281. The next prime is 163649351. The reversal of 163649316 is 613946361.

It is an interprime number because it is at equal distance from previous prime (163649281) and next prime (163649351).

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 in 7 ways as a sum of consecutive naturals, for example, 8500 + ... + 19988.

It is an arithmetic number, because the mean of its divisors is an integer number (15925140).

Almost surely, 2^163649316 is an apocalyptic number.

It is an amenable number.

163649316 is an abundant number, since it is smaller than the sum of its proper divisors (218554044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163649316 is a wasteful number, since it uses less digits than its factorization.

163649316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12683 (or 12681 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 163649316 is about 12792.5492377399. The cubic root of 163649316 is about 546.9799385932.

The spelling of 163649316 in words is "one hundred sixty-three million, six hundred forty-nine thousand, three hundred sixteen".