16144252656 has 80 divisors (see below), whose sum is σ = 48636768000. Its totient is φ = 4612638912.

The previous prime is 16144252609. The next prime is 16144252669. The reversal of 16144252656 is 65625244161.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 473826 + ... + 506753.

It is an arithmetic number, because the mean of its divisors is an integer number (607959600).

Almost surely, 2^16144252656 is an apocalyptic number.

16144252656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16144252656 is an abundant number, since it is smaller than the sum of its proper divisors (32492515344).

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

16144252656 is an equidigital number, since it uses as much as digits as its factorization.

16144252656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980611 (or 980591 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 16144252656 in words is "sixteen billion, one hundred forty-four million, two hundred fifty-two thousand, six hundred fifty-six".