16412657 has 4 divisors (see below), whose sum is σ = 16446576. Its totient is φ = 16378740.

The previous prime is 16412653. The next prime is 16412677. The reversal of 16412657 is 75621461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75621461 = 71 ⋅1065091.

It is a cyclic number.

It is not a de Polignac number, because 16412657 - 2² = 16412653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16412651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16223 + ... + 17204.

It is an arithmetic number, because the mean of its divisors is an integer number (4111644).

Almost surely, 2^16412657 is an apocalyptic number.

It is an amenable number.

16412657 is a deficient number, since it is larger than the sum of its proper divisors (33919).

16412657 is an equidigital number, since it uses as much as digits as its factorization.

16412657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33918.

The product of its digits is 10080, while the sum is 32.

The square root of 16412657 is about 4051.2537565549. The cubic root of 16412657 is about 254.1321619856.

It can be divided in two parts, 164 and 12657, that added together give a palindrome (12821).

The spelling of 16412657 in words is "sixteen million, four hundred twelve thousand, six hundred fifty-seven".