16379871856 has 60 divisors (see below), whose sum is σ = 32362772400. Its totient is φ = 8030243584.

The previous prime is 16379871763. The next prime is 16379871869. The reversal of 16379871856 is 65817897361.

It is a junction number, because it is equal to n+sod(n) for n = 16379871794 and 16379871803.

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, 45626205 + ... + 45626563.

It is an arithmetic number, because the mean of its divisors is an integer number (539379540).

Almost surely, 2^16379871856 is an apocalyptic number.

16379871856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16379871856 is a deficient number, since it is larger than the sum of its proper divisors (15982900544).

16379871856 is an equidigital number, since it uses as much as digits as its factorization.

16379871856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 629 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The spelling of 16379871856 in words is "sixteen billion, three hundred seventy-nine million, eight hundred seventy-one thousand, eight hundred fifty-six".