16216460053644 has 12 divisors (see below), whose sum is σ = 37838406791864. Its totient is φ = 5405486684544.

The previous prime is 16216460053477. The next prime is 16216460053669. The reversal of 16216460053644 is 44635006461261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 16216460053593 and 16216460053602.

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, 675685835557 + ... + 675685835580.

Almost surely, 2^{16216460053644} is an apocalyptic number.

It is an amenable number.

16216460053644 is an abundant number, since it is smaller than the sum of its proper divisors (21621946738220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16216460053644 is a wasteful number, since it uses less digits than its factorization.

16216460053644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351371671144 (or 1351371671142 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 16216460053644 in words is "sixteen trillion, two hundred sixteen billion, four hundred sixty million, fifty-three thousand, six hundred forty-four".