16086557 has 4 divisors (see below), whose sum is σ = 16104096. Its totient is φ = 16069020.

The previous prime is 16086529. The next prime is 16086583. The reversal of 16086557 is 75568061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16086557 - 2¹² = 16082461 is a prime.

It is a super-2 number, since 2×16086557² = 517554632228498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16086557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16086517) 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, 7313 + ... + 9254.

It is an arithmetic number, because the mean of its divisors is an integer number (4026024).

Almost surely, 2^16086557 is an apocalyptic number.

It is an amenable number.

16086557 is a deficient number, since it is larger than the sum of its proper divisors (17539).

16086557 is an equidigital number, since it uses as much as digits as its factorization.

16086557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17538.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 16086557 is about 4010.8050314120. The cubic root of 16086557 is about 252.4377888105.

The spelling of 16086557 in words is "sixteen million, eighty-six thousand, five hundred fifty-seven".