163999627 has 8 divisors (see below), whose sum is σ = 179838000. Its totient is φ = 148316160.

The previous prime is 163999607. The next prime is 163999639. The reversal of 163999627 is 726999361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163999627 is a prime.

It is a super-3 number, since 3×163999627³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163999607) 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, 36502 + ... + 40747.

It is an arithmetic number, because the mean of its divisors is an integer number (22479750).

Almost surely, 2^163999627 is an apocalyptic number.

163999627 is a deficient number, since it is larger than the sum of its proper divisors (15838373).

163999627 is a wasteful number, since it uses less digits than its factorization.

163999627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77453.

The product of its digits is 1102248, while the sum is 52.

The square root of 163999627 is about 12806.2339116541. The cubic root of 163999627 is about 547.3699525016.

The spelling of 163999627 in words is "one hundred sixty-three million, nine hundred ninety-nine thousand, six hundred twenty-seven".