16732543473 has 12 divisors (see below), whose sum is σ = 24213421648. Its totient is φ = 11134632600.

The previous prime is 16732543433. The next prime is 16732543549. The reversal of 16732543473 is 37434523761.

16732543473 is a `hidden beast` number, since 1 + 6 + 7 + 32 + 543 + 4 + 73 = 666.

It is not a de Polignac number, because 16732543473 - 2¹² = 16732539377 is a prime.

It is a super-2 number, since 2×16732543473² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16732543433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1694503 + ... + 1704348.

Almost surely, 2^16732543473 is an apocalyptic number.

It is an amenable number.

16732543473 is a deficient number, since it is larger than the sum of its proper divisors (7480878175).

16732543473 is a wasteful number, since it uses less digits than its factorization.

16732543473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399404 (or 3399401 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The spelling of 16732543473 in words is "sixteen billion, seven hundred thirty-two million, five hundred forty-three thousand, four hundred seventy-three".