16455473431 has 16 divisors (see below), whose sum is σ = 17571312000. Its totient is φ = 15366218400.

The previous prime is 16455473417. The next prime is 16455473453. The reversal of 16455473431 is 13437455461.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16455473431 - 2¹⁵ = 16455440663 is a prime.

It is a super-2 number, since 2×16455473431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16455473471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348676 + ... + 393046.

It is an arithmetic number, because the mean of its divisors is an integer number (1098207000).

Almost surely, 2^16455473431 is an apocalyptic number.

16455473431 is a deficient number, since it is larger than the sum of its proper divisors (1115838569).

16455473431 is a wasteful number, since it uses less digits than its factorization.

16455473431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44670.

The product of its digits is 604800, while the sum is 43.

The spelling of 16455473431 in words is "sixteen billion, four hundred fifty-five million, four hundred seventy-three thousand, four hundred thirty-one".