16465047 has 4 divisors (see below), whose sum is σ = 21953400. Its totient is φ = 10976696.

The previous prime is 16465021. The next prime is 16465051. The reversal of 16465047 is 74056461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74056461 = 3 ⋅24685487.

It is a cyclic number.

It is not a de Polignac number, because 16465047 - 2¹⁰ = 16464023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16464999 and 16465017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465747) 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, 2744172 + ... + 2744177.

It is an arithmetic number, because the mean of its divisors is an integer number (5488350).

Almost surely, 2^16465047 is an apocalyptic number.

16465047 is a deficient number, since it is larger than the sum of its proper divisors (5488353).

16465047 is an equidigital number, since it uses as much as digits as its factorization.

16465047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488352.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 16465047 is about 4057.7145044963. The cubic root of 16465047 is about 254.4022755275.

The spelling of 16465047 in words is "sixteen million, four hundred sixty-five thousand, forty-seven".