6195012161 has 16 divisors (see below), whose sum is σ = 6918651600. Its totient is φ = 5507647488.

The previous prime is 6195012151. The next prime is 6195012163. The reversal of 6195012161 is 1612105916.

It can be written as a sum of positive squares in 8 ways, for example, as 663371536 + 5531640625 = 25756^2 + 74375^2 .

It is a cyclic number.

It is not a de Polignac number, because 6195012161 - 2⁶ = 6195012097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6195012163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134105 + ... + 174281.

It is an arithmetic number, because the mean of its divisors is an integer number (432415725).

Almost surely, 2^6195012161 is an apocalyptic number.

It is an amenable number.

6195012161 is a deficient number, since it is larger than the sum of its proper divisors (723639439).

6195012161 is a wasteful number, since it uses less digits than its factorization.

6195012161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40628.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 6195012161 is about 78708.3995581158. The cubic root of 6195012161 is about 1836.5977774227.

The spelling of 6195012161 in words is "six billion, one hundred ninety-five million, twelve thousand, one hundred sixty-one".