16731235473 has 8 divisors (see below), whose sum is σ = 22309353888. Its totient is φ = 11153637024.

The previous prime is 16731235393. The next prime is 16731235481. The reversal of 16731235473 is 37453213761.

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 16731235473 - 2¹⁶ = 16731169937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16731233473) 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, 47415 + ... + 188972.

It is an arithmetic number, because the mean of its divisors is an integer number (2788669236).

Almost surely, 2^16731235473 is an apocalyptic number.

It is an amenable number.

16731235473 is a deficient number, since it is larger than the sum of its proper divisors (5578118415).

16731235473 is a wasteful number, since it uses less digits than its factorization.

16731235473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259983.

The product of its digits is 317520, while the sum is 42.

The spelling of 16731235473 in words is "sixteen billion, seven hundred thirty-one million, two hundred thirty-five thousand, four hundred seventy-three".