16481215775452 has 48 divisors (see below), whose sum is σ = 29998189442592. Its totient is φ = 7916555243520.

The previous prime is 16481215775371. The next prime is 16481215775543. The reversal of 16481215775452 is 25457751218461.

16481215775452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 28202658 + ... + 28781110.

It is an arithmetic number, because the mean of its divisors is an integer number (624962280054).

Almost surely, 2^{16481215775452} is an apocalyptic number.

It is an amenable number.

16481215775452 is a deficient number, since it is larger than the sum of its proper divisors (13516973667140).

16481215775452 is a wasteful number, since it uses less digits than its factorization.

16481215775452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581158 (or 581156 counting only the distinct ones).

The product of its digits is 18816000, while the sum is 58.

The spelling of 16481215775452 in words is "sixteen trillion, four hundred eighty-one billion, two hundred fifteen million, seven hundred seventy-five thousand, four hundred fifty-two".