16934691 has 8 divisors (see below), whose sum is σ = 22617280. Its totient is φ = 11270952.

The previous prime is 16934689. The next prime is 16934717. The reversal of 16934691 is 19643961.

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

It is not a de Polignac number, because 16934691 - 2¹ = 16934689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16934611) 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, 2461 + ... + 6318.

It is an arithmetic number, because the mean of its divisors is an integer number (2827160).

Almost surely, 2^16934691 is an apocalyptic number.

16934691 is a deficient number, since it is larger than the sum of its proper divisors (5682589).

16934691 is an equidigital number, since it uses as much as digits as its factorization.

16934691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9425.

The product of its digits is 34992, while the sum is 39.

The square root of 16934691 is about 4115.1781249419. The cubic root of 16934691 is about 256.7984662567.

The spelling of 16934691 in words is "sixteen million, nine hundred thirty-four thousand, six hundred ninety-one".