16036457 has 4 divisors (see below), whose sum is σ = 16979796. Its totient is φ = 15093120.

The previous prime is 16036403. The next prime is 16036459. The reversal of 16036457 is 75463061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9665881 + 6370576 = 3109^2 + 2524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16036457 is a prime.

It is a super-2 number, since 2×16036457² = 514335906225698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16036459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471644 + ... + 471677.

It is an arithmetic number, because the mean of its divisors is an integer number (4244949).

Almost surely, 2^16036457 is an apocalyptic number.

16036457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16036457 is a deficient number, since it is larger than the sum of its proper divisors (943339).

16036457 is an equidigital number, since it uses as much as digits as its factorization.

16036457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943338.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 16036457 is about 4004.5545320297. The cubic root of 16036457 is about 252.1754520572.

The spelling of 16036457 in words is "sixteen million, thirty-six thousand, four hundred fifty-seven".