196800551 has 8 divisors (see below), whose sum is σ = 213223824. Its totient is φ = 180915840.

The previous prime is 196800511. The next prime is 196800557. The reversal of 196800551 is 155008691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196800551 - 2¹⁰ = 196799527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196800557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133880 + ... + 135341.

It is an arithmetic number, because the mean of its divisors is an integer number (26652978).

Almost surely, 2^196800551 is an apocalyptic number.

196800551 is a deficient number, since it is larger than the sum of its proper divisors (16423273).

196800551 is a wasteful number, since it uses less digits than its factorization.

196800551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269281.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 196800551 is about 14028.5619719200. The cubic root of 196800551 is about 581.6683543691.

The spelling of 196800551 in words is "one hundred ninety-six million, eight hundred thousand, five hundred fifty-one".