16461204556 has 12 divisors (see below), whose sum is σ = 28863707040. Its totient is φ = 8214431120.

The previous prime is 16461204527. The next prime is 16461204559. The reversal of 16461204556 is 65540216461.

It is not an unprimeable number, because it can be changed into a prime (16461204559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040500 + ... + 4044571.

It is an arithmetic number, because the mean of its divisors is an integer number (2405308920).

Almost surely, 2^16461204556 is an apocalyptic number.

It is an amenable number.

16461204556 is a deficient number, since it is larger than the sum of its proper divisors (12402502484).

16461204556 is a wasteful number, since it uses less digits than its factorization.

16461204556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085584 (or 8085582 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 16461204556 in words is "sixteen billion, four hundred sixty-one million, two hundred four thousand, five hundred fifty-six".