16790553 has 12 divisors (see below), whose sum is σ = 26118820. Its totient is φ = 10332576.

The previous prime is 16790551. The next prime is 16790573. The reversal of 16790553 is 35509761.

It is a happy number.

16790553 is a `hidden beast` number, since 16 + 7 + 90 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10575504 + 6215049 = 3252^2 + 2493^2 .

It is not a de Polignac number, because 16790553 - 2¹ = 16790551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16790551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71638 + ... + 71871.

Almost surely, 2^16790553 is an apocalyptic number.

16790553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16790553 is a deficient number, since it is larger than the sum of its proper divisors (9328267).

16790553 is a wasteful number, since it uses less digits than its factorization.

16790553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143528 (or 143525 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 16790553 is about 4097.6277283326. The cubic root of 16790553 is about 256.0678175226.

The spelling of 16790553 in words is "sixteen million, seven hundred ninety thousand, five hundred fifty-three".