16405262144 has 28 divisors (see below), whose sum is σ = 33168428964. Its totient is φ = 8047862784.

The previous prime is 16405262113. The next prime is 16405262171. The reversal of 16405262144 is 44126250461.

16405262144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6738439744 + 9666822400 = 82088^2 + 98320^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414837 + ... + 2421620.

Almost surely, 2^16405262144 is an apocalyptic number.

It is an amenable number.

16405262144 is an abundant number, since it is smaller than the sum of its proper divisors (16763166820).

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

16405262144 is an equidigital number, since it uses as much as digits as its factorization.

16405262144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836522 (or 4836512 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 16405262144 in words is "sixteen billion, four hundred five million, two hundred sixty-two thousand, one hundred forty-four".