16319279144 has 32 divisors (see below), whose sum is σ = 35009863680. Its totient is φ = 6985980864.

The previous prime is 16319279099. The next prime is 16319279161. The reversal of 16319279144 is 44197291361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117032 + ... + 215255.

It is an arithmetic number, because the mean of its divisors is an integer number (1094058240).

Almost surely, 2^16319279144 is an apocalyptic number.

16319279144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16319279144 is an abundant number, since it is smaller than the sum of its proper divisors (18690584536).

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

16319279144 is a wasteful number, since it uses less digits than its factorization.

16319279144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333177 (or 333173 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The spelling of 16319279144 in words is "sixteen billion, three hundred nineteen million, two hundred seventy-nine thousand, one hundred forty-four".