163958245 has 8 divisors (see below), whose sum is σ = 214636320. Its totient is φ = 119242320.

The previous prime is 163958243. The next prime is 163958261. The reversal of 163958245 is 542859361.

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

It is not a de Polignac number, because 163958245 - 2¹ = 163958243 is a prime.

It is a super-2 number, since 2×163958245² = 53764612206960050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163958243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490475 + ... + 1490584.

It is an arithmetic number, because the mean of its divisors is an integer number (26829540).

Almost surely, 2^163958245 is an apocalyptic number.

It is an amenable number.

163958245 is a deficient number, since it is larger than the sum of its proper divisors (50678075).

163958245 is a wasteful number, since it uses less digits than its factorization.

163958245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981075.

The product of its digits is 259200, while the sum is 43.

The square root of 163958245 is about 12804.6181122281. The cubic root of 163958245 is about 547.3239093708.

The spelling of 163958245 in words is "one hundred sixty-three million, nine hundred fifty-eight thousand, two hundred forty-five".