16432451566532 has 12 divisors (see below), whose sum is σ = 28880209943676. Its totient is φ = 8180963011200.

The previous prime is 16432451566507. The next prime is 16432451566579. The reversal of 16432451566532 is 23566515423461.

It can be written as a sum of positive squares in 2 ways, for example, as 2459702902336 + 13972748664196 = 1568344^2 + 3738014^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8815691969 + ... + 8815693832.

It is an arithmetic number, because the mean of its divisors is an integer number (2406684161973).

Almost surely, 2^{16432451566532} is an apocalyptic number.

It is an amenable number.

16432451566532 is a deficient number, since it is larger than the sum of its proper divisors (12447758377144).

16432451566532 is a wasteful number, since it uses less digits than its factorization.

16432451566532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17631386038 (or 17631386036 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 53.

Adding to 16432451566532 its reverse (23566515423461), we get a palindrome (39998966989993).

The spelling of 16432451566532 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, five hundred sixty-six thousand, five hundred thirty-two".