196500816 has 200 divisors, whose sum is σ = 604001024. Its totient is φ = 61585920.

The previous prime is 196500797. The next prime is 196500817. The reversal of 196500816 is 618005691.

It is a super-2 number, since 2×196500816² = 77225141377331712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196500817) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2691756 + ... + 2691828.

Almost surely, 2^196500816 is an apocalyptic number.

196500816 is a gapful number since it is divisible by the number (16) 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 196500816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302000512).

196500816 is an abundant number, since it is smaller than the sum of its proper divisors (407500208).

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

196500816 is a wasteful number, since it uses less digits than its factorization.

196500816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 196500816 is about 14017.8748746021. The cubic root of 196500816 is about 581.3729030431.

The spelling of 196500816 in words is "one hundred ninety-six million, five hundred thousand, eight hundred sixteen".