196551036 has 144 divisors (see below), whose sum is σ = 581188608. Its totient is φ = 57542400.

The previous prime is 196551001. The next prime is 196551073. The reversal of 196551036 is 630155691.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331156 + ... + 331748.

It is an arithmetic number, because the mean of its divisors is an integer number (4036032).

Almost surely, 2^196551036 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 196551036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290594304).

196551036 is an abundant number, since it is smaller than the sum of its proper divisors (384637572).

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

196551036 is a wasteful number, since it uses less digits than its factorization.

196551036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 196551036 is about 14019.6660445247. Note that the first 3 decimals coincide. The cubic root of 196551036 is about 581.4224262645.

The spelling of 196551036 in words is "one hundred ninety-six million, five hundred fifty-one thousand, thirty-six".