16197938848 has 72 divisors (see below), whose sum is σ = 39464597088. Its totient is φ = 6407960832.

The previous prime is 16197938821. The next prime is 16197938849. The reversal of 16197938848 is 84883979161.

It is a self number, because there is not a number n which added to its sum of digits gives 16197938848.

It is not an unprimeable number, because it can be changed into a prime (16197938849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176086 + ... + 251797.

It is an arithmetic number, because the mean of its divisors is an integer number (548119404).

Almost surely, 2^16197938848 is an apocalyptic number.

It is an amenable number.

16197938848 is an abundant number, since it is smaller than the sum of its proper divisors (23266658240).

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

16197938848 is a wasteful number, since it uses less digits than its factorization.

16197938848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427926 (or 427905 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 64.

The spelling of 16197938848 in words is "sixteen billion, one hundred ninety-seven million, nine hundred thirty-eight thousand, eight hundred forty-eight".