16999429 has 8 divisors (see below), whose sum is σ = 17293952. Its totient is φ = 16707600.

The previous prime is 16999399. The next prime is 16999453. The reversal of 16999429 is 92499961.

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 16999429 - 2¹³ = 16991237 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 (16999469) 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, 15007 + ... + 16099.

It is an arithmetic number, because the mean of its divisors is an integer number (2161744).

Almost surely, 2^16999429 is an apocalyptic number.

It is an amenable number.

16999429 is a deficient number, since it is larger than the sum of its proper divisors (294523).

16999429 is a wasteful number, since it uses less digits than its factorization.

16999429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its digits is 314928, while the sum is 49.

The square root of 16999429 is about 4123.0363811153. The cubic root of 16999429 is about 257.1252802066.

The spelling of 16999429 in words is "sixteen million, nine hundred ninety-nine thousand, four hundred twenty-nine".