16930019 has 4 divisors (see below), whose sum is σ = 16983744. Its totient is φ = 16876296.

The previous prime is 16929971. The next prime is 16930027. The reversal of 16930019 is 91003961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16930019 - 2⁸ = 16929763 is a prime.

It is a super-2 number, since 2×16930019² = 573251086680722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16929973 and 16930000.

It is not an unprimeable number, because it can be changed into a prime (16936019) 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, 26387 + ... + 27020.

It is an arithmetic number, because the mean of its divisors is an integer number (4245936).

Almost surely, 2^16930019 is an apocalyptic number.

16930019 is a deficient number, since it is larger than the sum of its proper divisors (53725).

16930019 is an equidigital number, since it uses as much as digits as its factorization.

16930019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53724.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 16930019 is about 4114.6104311344. The cubic root of 16930019 is about 256.7748486073.

The spelling of 16930019 in words is "sixteen million, nine hundred thirty thousand, nineteen".