16261444066420 has 96 divisors (see below), whose sum is σ = 42406754181120. Its totient is φ = 5111528353920.

The previous prime is 16261444066393. The next prime is 16261444066433. The reversal of 16261444066420 is 2466044416261.

16261444066420 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 31 ways as a sum of consecutive naturals, for example, 98519554 + ... + 98684473.

It is an arithmetic number, because the mean of its divisors is an integer number (441737022720).

Almost surely, 2^{16261444066420} is an apocalyptic number.

16261444066420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16261444066420 is an abundant number, since it is smaller than the sum of its proper divisors (26145310114700).

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

16261444066420 is a wasteful number, since it uses less digits than its factorization.

16261444066420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197204093 (or 197204091 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 16261444066420 in words is "sixteen trillion, two hundred sixty-one billion, four hundred forty-four million, sixty-six thousand, four hundred twenty".