16400548488446 has 8 divisors (see below), whose sum is σ = 25449126964920. Its totient is φ = 7917506166808.

The previous prime is 16400548488407. The next prime is 16400548488473. The reversal of 16400548488446 is 64488484500461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 141384038636 + ... + 141384038751.

It is an arithmetic number, because the mean of its divisors is an integer number (3181140870615).

Almost surely, 2^{16400548488446} is an apocalyptic number.

16400548488446 is a deficient number, since it is larger than the sum of its proper divisors (9048578476474).

16400548488446 is a wasteful number, since it uses less digits than its factorization.

16400548488446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282768077418.

The product of its (nonzero) digits is 94371840, while the sum is 62.

The spelling of 16400548488446 in words is "sixteen trillion, four hundred billion, five hundred forty-eight million, four hundred eighty-eight thousand, four hundred forty-six".