196281561 has 8 divisors (see below), whose sum is σ = 299095744. Its totient is φ = 112160880.

The previous prime is 196281539. The next prime is 196281577. The reversal of 196281561 is 165182691.

196281561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 196281561 - 2⁶ = 196281497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196281511) 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, 4673350 + ... + 4673391.

It is an arithmetic number, because the mean of its divisors is an integer number (37386968).

Almost surely, 2^196281561 is an apocalyptic number.

It is an amenable number.

196281561 is a deficient number, since it is larger than the sum of its proper divisors (102814183).

196281561 is an equidigital number, since it uses as much as digits as its factorization.

196281561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346751.

The product of its digits is 25920, while the sum is 39.

The square root of 196281561 is about 14010.0521412306. The cubic root of 196281561 is about 581.1565912101.

The spelling of 196281561 in words is "one hundred ninety-six million, two hundred eighty-one thousand, five hundred sixty-one".