19196161 has 8 divisors (see below), whose sum is σ = 20014848. Its totient is φ = 18390000.

The previous prime is 19196129. The next prime is 19196167. The reversal of 19196161 is 16169191.

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 19196161 - 2⁵ = 19196129 is a prime.

19196161 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19196167) 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, 66 + ... + 6196.

It is an arithmetic number, because the mean of its divisors is an integer number (2501856).

Almost surely, 2^19196161 is an apocalyptic number.

It is an amenable number.

19196161 is a deficient number, since it is larger than the sum of its proper divisors (818687).

19196161 is a wasteful number, since it uses less digits than its factorization.

19196161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263.

The product of its digits is 2916, while the sum is 34.

The square root of 19196161 is about 4381.3423742045. The cubic root of 19196161 is about 267.7553319468.

The spelling of 19196161 in words is "nineteen million, one hundred ninety-six thousand, one hundred sixty-one".