16551098 has 8 divisors (see below), whose sum is σ = 26287092. Its totient is φ = 7788736.

The previous prime is 16551091. The next prime is 16551131. The reversal of 16551098 is 89015561.

It can be written as a sum of positive squares in 2 ways, for example, as 16540489 + 10609 = 4067^2 + 103^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16551091) 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, 243365 + ... + 243432.

Almost surely, 2^16551098 is an apocalyptic number.

16551098 is a deficient number, since it is larger than the sum of its proper divisors (9735994).

16551098 is a wasteful number, since it uses less digits than its factorization.

16551098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486816.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 16551098 is about 4068.3040692652. The cubic root of 16551098 is about 254.8446984649.

The spelling of 16551098 in words is "sixteen million, five hundred fifty-one thousand, ninety-eight".