16252227257 has 8 divisors (see below), whose sum is σ = 18634478016. Its totient is φ = 13885102512.

The previous prime is 16252227253. The next prime is 16252227259. The reversal of 16252227257 is 75272225261.

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 16252227257 - 2² = 16252227253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16252227253) 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, 3779198 + ... + 3783495.

It is an arithmetic number, because the mean of its divisors is an integer number (2329309752).

Almost surely, 2^16252227257 is an apocalyptic number.

It is an amenable number.

16252227257 is a deficient number, since it is larger than the sum of its proper divisors (2382250759).

16252227257 is an equidigital number, since it uses as much as digits as its factorization.

16252227257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563007.

The product of its digits is 235200, while the sum is 41.

The spelling of 16252227257 in words is "sixteen billion, two hundred fifty-two million, two hundred twenty-seven thousand, two hundred fifty-seven".