16340699 has 4 divisors (see below), whose sum is σ = 16617720. Its totient is φ = 16063680.

The previous prime is 16340683. The next prime is 16340707. The reversal of 16340699 is 99604361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99604361 = 5521 ⋅18041.

It is a cyclic number.

It is not a de Polignac number, because 16340699 - 2⁴ = 16340683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16340609) 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, 138422 + ... + 138539.

It is an arithmetic number, because the mean of its divisors is an integer number (4154430).

Almost surely, 2^16340699 is an apocalyptic number.

16340699 is a deficient number, since it is larger than the sum of its proper divisors (277021).

16340699 is an equidigital number, since it uses as much as digits as its factorization.

16340699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277020.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 16340699 is about 4042.3630465360. The cubic root of 16340699 is about 253.7602207374.

The spelling of 16340699 in words is "sixteen million, three hundred forty thousand, six hundred ninety-nine".