16412553 has 6 divisors (see below), whose sum is σ = 23707034. Its totient is φ = 10941696.

The previous prime is 16412533. The next prime is 16412567. The reversal of 16412553 is 35521461.

It can be written as a sum of positive squares in only one way, i.e., 15303744 + 1108809 = 3912^2 + 1053^2 .

It is not a de Polignac number, because 16412553 - 2¹³ = 16404361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16412533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 911800 + ... + 911817.

Almost surely, 2^16412553 is an apocalyptic number.

It is an amenable number.

16412553 is a deficient number, since it is larger than the sum of its proper divisors (7294481).

16412553 is a wasteful number, since it uses less digits than its factorization.

16412553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823623 (or 1823620 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 16412553 is about 4051.2409210019. The cubic root of 16412553 is about 254.1316252088.

The spelling of 16412553 in words is "sixteen million, four hundred twelve thousand, five hundred fifty-three".