16432566251356 has 48 divisors (see below), whose sum is σ = 30132308082240. Its totient is φ = 7831110067200.

The previous prime is 16432566251293. The next prime is 16432566251399. The reversal of 16432566251356 is 65315266523461.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16432566251297 and 16432566251306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867321 + ... + 6029263.

It is an arithmetic number, because the mean of its divisors is an integer number (627756418380).

Almost surely, 2^{16432566251356} is an apocalyptic number.

It is an amenable number.

16432566251356 is a deficient number, since it is larger than the sum of its proper divisors (13699741830884).

16432566251356 is a wasteful number, since it uses less digits than its factorization.

16432566251356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162414 (or 4162412 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 55.

The spelling of 16432566251356 in words is "sixteen trillion, four hundred thirty-two billion, five hundred sixty-six million, two hundred fifty-one thousand, three hundred fifty-six".