16465473 has 6 divisors (see below), whose sum is σ = 23783474. Its totient is φ = 10976976.

The previous prime is 16465453. The next prime is 16465487. The reversal of 16465473 is 37456461.

It is a happy number.

16465473 is a `hidden beast` number, since 1 + 646 + 5 + 4 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13927824 + 2537649 = 3732^2 + 1593^2 .

It is not a de Polignac number, because 16465473 - 2⁵ = 16465441 is a prime.

It is a super-2 number, since 2×16465473² = 542223602227458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16465403) 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, 914740 + ... + 914757.

Almost surely, 2^16465473 is an apocalyptic number.

It is an amenable number.

16465473 is a deficient number, since it is larger than the sum of its proper divisors (7318001).

16465473 is a wasteful number, since it uses less digits than its factorization.

16465473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829503 (or 1829500 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 16465473 is about 4057.7669967607. The cubic root of 16465473 is about 254.4044695578.

The spelling of 16465473 in words is "sixteen million, four hundred sixty-five thousand, four hundred seventy-three".