163345537 has 8 divisors (see below), whose sum is σ = 174635136. Its totient is φ = 152242752.

The previous prime is 163345513. The next prime is 163345543. The reversal of 163345537 is 735543361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163345537 - 2⁷ = 163345409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163345496 and 163345505.

It is not an unprimeable number, because it can be changed into a prime (163345037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44893 + ... + 48394.

It is an arithmetic number, because the mean of its divisors is an integer number (21829392).

Almost surely, 2^163345537 is an apocalyptic number.

163345537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

163345537 is a deficient number, since it is larger than the sum of its proper divisors (11289599).

163345537 is a wasteful number, since it uses less digits than its factorization.

163345537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93407.

The product of its digits is 113400, while the sum is 37.

The square root of 163345537 is about 12780.6704440730. The cubic root of 163345537 is about 546.6412795980.

Adding to 163345537 its reverse (735543361), we get a palindrome (898888898).

The spelling of 163345537 in words is "one hundred sixty-three million, three hundred forty-five thousand, five hundred thirty-seven".