16001403625144 has 48 divisors (see below), whose sum is σ = 35012525788800. Its totient is φ = 6835834631808.

The previous prime is 16001403625127. The next prime is 16001403625201. The reversal of 16001403625144 is 44152630410061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65084824 + ... + 65330215.

It is an arithmetic number, because the mean of its divisors is an integer number (729427620600).

Almost surely, 2^{16001403625144} is an apocalyptic number.

16001403625144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16001403625144 is an abundant number, since it is smaller than the sum of its proper divisors (19011122163656).

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

16001403625144 is a wasteful number, since it uses less digits than its factorization.

16001403625144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130415372 (or 130415361 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 16001403625144 in words is "sixteen trillion, one billion, four hundred three million, six hundred twenty-five thousand, one hundred forty-four".