16349693 has 8 divisors (see below), whose sum is σ = 16817976. Its totient is φ = 15884800.

The previous prime is 16349687. The next prime is 16349719. The reversal of 16349693 is 39694361.

It can be written as a sum of positive squares in 4 ways, for example, as 683929 + 15665764 = 827^2 + 3958^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16349693 - 2⁶ = 16349629 is a prime.

It is a super-2 number, since 2×16349693² = 534624922388498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16349693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16349623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11333 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (2102247).

Almost surely, 2^16349693 is an apocalyptic number.

It is an amenable number.

16349693 is a deficient number, since it is larger than the sum of its proper divisors (468283).

16349693 is a wasteful number, since it uses less digits than its factorization.

16349693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its digits is 104976, while the sum is 41.

The square root of 16349693 is about 4043.4753616165. The cubic root of 16349693 is about 253.8067691505.

The spelling of 16349693 in words is "sixteen million, three hundred forty-nine thousand, six hundred ninety-three".