16118001 has 8 divisors (see below), whose sum is σ = 23878560. Its totient is φ = 10745316.

The previous prime is 16117993. The next prime is 16118021. The reversal of 16118001 is 10081161.

It is not a de Polignac number, because 16118001 - 2³ = 16117993 is a prime.

It is a super-4 number, since 4×16118001⁴ (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (16118021) 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, 298455 + ... + 298508.

It is an arithmetic number, because the mean of its divisors is an integer number (2984820).

Almost surely, 2^16118001 is an apocalyptic number.

It is an amenable number.

16118001 is a deficient number, since it is larger than the sum of its proper divisors (7760559).

16118001 is an equidigital number, since it uses as much as digits as its factorization.

16118001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596972 (or 596966 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 16118001 is about 4014.7230290519. The cubic root of 16118001 is about 252.6021597527.

Adding to 16118001 its reverse (10081161), we get a palindrome (26199162).

The spelling of 16118001 in words is "sixteen million, one hundred eighteen thousand, one".