163313337 has 24 divisors (see below), whose sum is σ = 242664352. Its totient is φ = 97606080.

The previous prime is 163313333. The next prime is 163313347. The reversal of 163313337 is 733313361.

It is not a de Polignac number, because 163313337 - 2² = 163313333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163313333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23418 + ... + 29580.

Almost surely, 2^163313337 is an apocalyptic number.

It is an amenable number.

163313337 is a deficient number, since it is larger than the sum of its proper divisors (79351015).

163313337 is a wasteful number, since it uses less digits than its factorization.

163313337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261 (or 6250 counting only the distinct ones).

The product of its digits is 10206, while the sum is 30.

The square root of 163313337 is about 12779.4106671630. The cubic root of 163313337 is about 546.6053577801.

Adding to 163313337 its reverse (733313361), we get a palindrome (896626698).

The spelling of 163313337 in words is "one hundred sixty-three million, three hundred thirteen thousand, three hundred thirty-seven".