3196892161 has 4 divisors (see below), whose sum is σ = 3197564500. Its totient is φ = 3196219824.

The previous prime is 3196892137. The next prime is 3196892197. The reversal of 3196892161 is 1612986913.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1604483136 + 1592409025 = 40056^2 + 39905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3196892161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3196892761) 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, 328986 + ... + 338563.

It is an arithmetic number, because the mean of its divisors is an integer number (799391125).

Almost surely, 2^3196892161 is an apocalyptic number.

It is an amenable number.

3196892161 is a deficient number, since it is larger than the sum of its proper divisors (672339).

3196892161 is an equidigital number, since it uses as much as digits as its factorization.

3196892161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672338.

The product of its digits is 139968, while the sum is 46.

The square root of 3196892161 is about 56541.0661466513. The cubic root of 3196892161 is about 1473.1353875681.

The spelling of 3196892161 in words is "three billion, one hundred ninety-six million, eight hundred ninety-two thousand, one hundred sixty-one".