196288551 has 12 divisors (see below), whose sum is σ = 286336440. Its totient is φ = 129562800.

The previous prime is 196288529. The next prime is 196288553. The reversal of 196288551 is 155882691.

It is a happy number.

196288551 is a `hidden beast` number, since 1 + 96 + 2 + 8 + 8 + 551 = 666.

It is not a de Polignac number, because 196288551 - 2²¹ = 194191399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196288497 and 196288506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196288553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107061 + ... + 108878.

It is an arithmetic number, because the mean of its divisors is an integer number (23861370).

Almost surely, 2^196288551 is an apocalyptic number.

196288551 is a deficient number, since it is larger than the sum of its proper divisors (90047889).

196288551 is a wasteful number, since it uses less digits than its factorization.

196288551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216046 (or 216043 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 196288551 is about 14010.3016027493. The cubic root of 196288551 is about 581.1634898651.

The spelling of 196288551 in words is "one hundred ninety-six million, two hundred eighty-eight thousand, five hundred fifty-one".