16374140928 has 156 divisors (see below), whose sum is σ = 49052032848. Its totient is φ = 5457715200.

The previous prime is 16374140911. The next prime is 16374140941. The reversal of 16374140928 is 82904147361.

16374140928 is a `hidden beast` number, since 1 + 637 + 4 + 1 + 4 + 0 + 9 + 2 + 8 = 666.

It is a super-3 number, since 3×16374140928³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 987103 + ... + 1003553.

It is an arithmetic number, because the mean of its divisors is an integer number (314436108).

Almost surely, 2^16374140928 is an apocalyptic number.

16374140928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16374140928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24526016424).

16374140928 is an abundant number, since it is smaller than the sum of its proper divisors (32677891920).

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

16374140928 is an frugal number, since it uses more digits than its factorization.

16374140928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490 (or 16456 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 16374140928 in words is "sixteen billion, three hundred seventy-four million, one hundred forty thousand, nine hundred twenty-eight".