196803816 has 64 divisors (see below), whose sum is σ = 541831680. Its totient is φ = 59071680.

The previous prime is 196803811. The next prime is 196803821. The reversal of 196803816 is 618308691.

It is an interprime number because it is at equal distance from previous prime (196803811) and next prime (196803821).

It is not an unprimeable number, because it can be changed into a prime (196803811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24765 + ... + 31731.

It is an arithmetic number, because the mean of its divisors is an integer number (8466120).

Almost surely, 2^196803816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196803816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270915840).

196803816 is an abundant number, since it is smaller than the sum of its proper divisors (345027864).

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

196803816 is a wasteful number, since it uses less digits than its factorization.

196803816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094 (or 7090 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 196803816 is about 14028.6783411696. The cubic root of 196803816 is about 581.6715710550.

The spelling of 196803816 in words is "one hundred ninety-six million, eight hundred three thousand, eight hundred sixteen".