16432451233444 has 12 divisors (see below), whose sum is σ = 28756821617244. Its totient is φ = 8216216485664.

The previous prime is 16432451233427. The next prime is 16432451233477. The reversal of 16432451233444 is 44433215423461.

It can be written as a sum of positive squares in 2 ways, for example, as 5231970022500 + 11200481210944 = 2287350^2 + 3346712^2 .

It is a super-2 number, since 2×16432451233444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16432451233394 and 16432451233403.

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, 3263814 + ... + 6596770.

It is an arithmetic number, because the mean of its divisors is an integer number (2396401801437).

Almost surely, 2^{16432451233444} is an apocalyptic number.

It is an amenable number.

16432451233444 is a deficient number, since it is larger than the sum of its proper divisors (12324370383800).

16432451233444 is a wasteful number, since it uses less digits than its factorization.

16432451233444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565534 (or 4565532 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 46.

The spelling of 16432451233444 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, two hundred thirty-three thousand, four hundred forty-four".