16879553 has 2 divisors, whose sum is σ = 16879554. Its totient is φ = 16879552.

The previous prime is 16879519. The next prime is 16879559. The reversal of 16879553 is 35597861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16834609 + 44944 = 4103^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 16879553 - 2¹⁰ = 16878529 is a prime.

It is not a weakly prime, because it can be changed into another prime (16879559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8439776 + 8439777.

It is an arithmetic number, because the mean of its divisors is an integer number (8439777).

Almost surely, 2^16879553 is an apocalyptic number.

It is an amenable number.

16879553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16879553 is an equidigital number, since it uses as much as digits as its factorization.

16879553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 16879553 is about 4108.4733174258. The cubic root of 16879553 is about 256.5194581360.

The spelling of 16879553 in words is "sixteen million, eight hundred seventy-nine thousand, five hundred fifty-three".