16349677 has 4 divisors (see below), whose sum is σ = 16387360. Its totient is φ = 16311996.

The previous prime is 16349639. The next prime is 16349687. The reversal of 16349677 is 77694361.

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 16349677 - 2¹⁹ = 15825389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16349687) 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, 18183 + ... + 19060.

It is an arithmetic number, because the mean of its divisors is an integer number (4096840).

Almost surely, 2^16349677 is an apocalyptic number.

It is an amenable number.

16349677 is a deficient number, since it is larger than the sum of its proper divisors (37683).

16349677 is an equidigital number, since it uses as much as digits as its factorization.

16349677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37682.

The product of its digits is 190512, while the sum is 43.

The square root of 16349677 is about 4043.4733831200. The cubic root of 16349677 is about 253.8066863577.

It can be divided in two parts, 1634 and 9677, that added together give a palindrome (11311).

The spelling of 16349677 in words is "sixteen million, three hundred forty-nine thousand, six hundred seventy-seven".