16056499 has 4 divisors (see below), whose sum is σ = 16095240. Its totient is φ = 16017760.

The previous prime is 16056487. The next prime is 16056503. The reversal of 16056499 is 99465061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99465061 = 97 ⋅1025413.

It is a cyclic number.

It is not a de Polignac number, because 16056499 - 2⁹ = 16055987 is a prime.

It is a super-2 number, since 2×16056499² = 515622320274002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16056199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18742 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (4023810).

Almost surely, 2^16056499 is an apocalyptic number.

16056499 is a deficient number, since it is larger than the sum of its proper divisors (38741).

16056499 is an equidigital number, since it uses as much as digits as its factorization.

16056499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38740.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 16056499 is about 4007.0561513410. The cubic root of 16056499 is about 252.2804627083.

The spelling of 16056499 in words is "sixteen million, fifty-six thousand, four hundred ninety-nine".