16872619 has 8 divisors (see below), whose sum is σ = 17977680. Its totient is φ = 15780096.

The previous prime is 16872617. The next prime is 16872623. The reversal of 16872619 is 91627861.

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 16872619 - 2¹ = 16872617 is a prime.

It is a super-2 number, since 2×16872619² = 569370543838322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16872617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 5815.

It is an arithmetic number, because the mean of its divisors is an integer number (2247210).

Almost surely, 2^16872619 is an apocalyptic number.

16872619 is a deficient number, since it is larger than the sum of its proper divisors (1105061).

16872619 is a wasteful number, since it uses less digits than its factorization.

16872619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269.

The product of its digits is 36288, while the sum is 40.

The square root of 16872619 is about 4107.6293649744. The cubic root of 16872619 is about 256.4843278704.

The spelling of 16872619 in words is "sixteen million, eight hundred seventy-two thousand, six hundred nineteen".