163608745874 has 8 divisors (see below), whose sum is σ = 280472135808. Its totient is φ = 70118033940.

The previous prime is 163608745871. The next prime is 163608745879. The reversal of 163608745874 is 478547806361.

It is a happy number.

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

It is a super-2 number, since 2×163608745874² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163608745871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843169482 + ... + 5843169509.

It is an arithmetic number, because the mean of its divisors is an integer number (35059016976).

Almost surely, 2^163608745874 is an apocalyptic number.

163608745874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

163608745874 is a deficient number, since it is larger than the sum of its proper divisors (116863389934).

163608745874 is a wasteful number, since it uses less digits than its factorization.

163608745874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11686339000.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 163608745874 in words is "one hundred sixty-three billion, six hundred eight million, seven hundred forty-five thousand, eight hundred seventy-four".