163918045 has 8 divisors (see below), whose sum is σ = 197344224. Its totient is φ = 130706064.

The previous prime is 163918031. The next prime is 163918081. The reversal of 163918045 is 540819361.

163918045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 163918045 - 2⁷ = 163917917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163917995 and 163918013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51859 + ... + 54928.

It is an arithmetic number, because the mean of its divisors is an integer number (24668028).

Almost surely, 2^163918045 is an apocalyptic number.

It is an amenable number.

163918045 is a deficient number, since it is larger than the sum of its proper divisors (33426179).

163918045 is a wasteful number, since it uses less digits than its factorization.

163918045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107099.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 163918045 is about 12803.0482698457. The cubic root of 163918045 is about 547.2791739574.

The spelling of 163918045 in words is "one hundred sixty-three million, nine hundred eighteen thousand, forty-five".