16180473 has 8 divisors (see below), whose sum is σ = 21796768. Its totient is φ = 10675584.

The previous prime is 16180471. The next prime is 16180487. The reversal of 16180473 is 37408161.

It is a happy number.

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

It is not a de Polignac number, because 16180473 - 2¹ = 16180471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16180473.

It is not an unprimeable number, because it can be changed into a prime (16180471) 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, 27511 + ... + 28092.

It is an arithmetic number, because the mean of its divisors is an integer number (2724596).

Almost surely, 2^16180473 is an apocalyptic number.

It is an amenable number.

16180473 is a deficient number, since it is larger than the sum of its proper divisors (5616295).

16180473 is an equidigital number, since it uses as much as digits as its factorization.

16180473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55703.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 16180473 is about 4022.4958669960. The cubic root of 16180473 is about 252.9280938408.

It can be divided in two parts, 16180 and 473, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 16180473 in words is "sixteen million, one hundred eighty thousand, four hundred seventy-three".