16553498 has 8 divisors (see below), whose sum is σ = 26740308. Its totient is φ = 7640064.

The previous prime is 16553479. The next prime is 16553501. The reversal of 16553498 is 89435561.

It can be written as a sum of positive squares in 2 ways, for example, as 16459249 + 94249 = 4057^2 + 307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318311 + ... + 318362.

Almost surely, 2^16553498 is an apocalyptic number.

16553498 is a deficient number, since it is larger than the sum of its proper divisors (10186810).

16553498 is a wasteful number, since it uses less digits than its factorization.

16553498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636688.

The product of its digits is 129600, while the sum is 41.

The square root of 16553498 is about 4068.5990217764. The cubic root of 16553498 is about 254.8570158293.

The spelling of 16553498 in words is "sixteen million, five hundred fifty-three thousand, four hundred ninety-eight".