163312601 has 8 divisors (see below), whose sum is σ = 169322880. Its totient is φ = 157327632.

The previous prime is 163312579. The next prime is 163312603. The reversal of 163312601 is 106213361.

It is a happy number.

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 163312601 - 2⁶ = 163312537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163312603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7346 + ... + 19508.

It is an arithmetic number, because the mean of its divisors is an integer number (21165360).

Almost surely, 2^163312601 is an apocalyptic number.

It is an amenable number.

163312601 is a deficient number, since it is larger than the sum of its proper divisors (6010279).

163312601 is a wasteful number, since it uses less digits than its factorization.

163312601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 163312601 is about 12779.3818708105. The cubic root of 163312601 is about 546.6045366548.

Adding to 163312601 its reverse (106213361), we get a palindrome (269525962).

The spelling of 163312601 in words is "one hundred sixty-three million, three hundred twelve thousand, six hundred one".