196454161 has 4 divisors (see below), whose sum is σ = 202791424. Its totient is φ = 190116900.

The previous prime is 196454131. The next prime is 196454173. The reversal of 196454161 is 161454691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161454691 = 811 ⋅199081.

It is a cyclic number.

It is not a de Polignac number, because 196454161 - 2¹³ = 196445969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196454161.

It is not an unprimeable number, because it can be changed into a prime (196454101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3168585 + ... + 3168646.

It is an arithmetic number, because the mean of its divisors is an integer number (50697856).

Almost surely, 2^196454161 is an apocalyptic number.

It is an amenable number.

196454161 is a deficient number, since it is larger than the sum of its proper divisors (6337263).

196454161 is an equidigital number, since it uses as much as digits as its factorization.

196454161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337262.

The product of its digits is 25920, while the sum is 37.

The square root of 196454161 is about 14016.2106505289. The cubic root of 196454161 is about 581.3268877978.

The spelling of 196454161 in words is "one hundred ninety-six million, four hundred fifty-four thousand, one hundred sixty-one".