16313669 has 4 divisors (see below), whose sum is σ = 16338444. Its totient is φ = 16288896.

The previous prime is 16313663. The next prime is 16313681. The reversal of 16313669 is 96631361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96631361 = 1693 ⋅57077.

It can be written as a sum of positive squares in 2 ways, for example, as 15132100 + 1181569 = 3890^2 + 1087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16313669 is a prime.

It is a super-2 number, since 2×16313669² = 532271592483122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16313663) 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, 11372 + ... + 12725.

It is an arithmetic number, because the mean of its divisors is an integer number (4084611).

Almost surely, 2^16313669 is an apocalyptic number.

It is an amenable number.

16313669 is a deficient number, since it is larger than the sum of its proper divisors (24775).

16313669 is an equidigital number, since it uses as much as digits as its factorization.

16313669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24774.

The product of its digits is 17496, while the sum is 35.

The square root of 16313669 is about 4039.0183213251. The cubic root of 16313669 is about 253.6202241913.

The spelling of 16313669 in words is "sixteen million, three hundred thirteen thousand, six hundred sixty-nine".