196869816 has 96 divisors (see below), whose sum is σ = 626436720. Its totient is φ = 55065600.

The previous prime is 196869791. The next prime is 196869851. The reversal of 196869816 is 618968691.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 736 + ... + 19856.

Almost surely, 2^196869816 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 196869816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313218360).

196869816 is an abundant number, since it is smaller than the sum of its proper divisors (429566904).

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

196869816 is a wasteful number, since it uses less digits than its factorization.

196869816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19157 (or 19150 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 196869816 is about 14031.0304682158. The cubic root of 196869816 is about 581.7365867879.

The spelling of 196869816 in words is "one hundred ninety-six million, eight hundred sixty-nine thousand, eight hundred sixteen".