16412905 has 8 divisors (see below), whose sum is σ = 20854152. Its totient is φ = 12357888.

The previous prime is 16412897. The next prime is 16412909. The reversal of 16412905 is 50921461.

It can be written as a sum of positive squares in 4 ways, for example, as 444889 + 15968016 = 667^2 + 3996^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16412905 - 2³ = 16412897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16412909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96462 + ... + 96631.

It is an arithmetic number, because the mean of its divisors is an integer number (2606769).

Almost surely, 2^16412905 is an apocalyptic number.

It is an amenable number.

16412905 is a deficient number, since it is larger than the sum of its proper divisors (4441247).

16412905 is a wasteful number, since it uses less digits than its factorization.

16412905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193115.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 16412905 is about 4051.2843642480. The cubic root of 16412905 is about 254.1334419827.

The spelling of 16412905 in words is "sixteen million, four hundred twelve thousand, nine hundred five".