16479553 has 2 divisors, whose sum is σ = 16479554. Its totient is φ = 16479552.

The previous prime is 16479539. The next prime is 16479557. The reversal of 16479553 is 35597461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8254129 + 8225424 = 2873^2 + 2868^2 .

It is an emirp because it is prime and its reverse (35597461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16479553 - 2¹⁷ = 16348481 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16479557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8239776 + 8239777.

It is an arithmetic number, because the mean of its divisors is an integer number (8239777).

Almost surely, 2^16479553 is an apocalyptic number.

It is an amenable number.

16479553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16479553 is an equidigital number, since it uses as much as digits as its factorization.

16479553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 16479553 is about 4059.5015703901. The cubic root of 16479553 is about 254.4769645780.

The spelling of 16479553 in words is "sixteen million, four hundred seventy-nine thousand, five hundred fifty-three".