1968767146 has 8 divisors (see below), whose sum is σ = 2953487520. Its totient is φ = 984271308.

The previous prime is 1968767111. The next prime is 1968767159. The reversal of 1968767146 is 6417678691.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32166 + ... + 70513.

It is an arithmetic number, because the mean of its divisors is an integer number (369185940).

Almost surely, 2^1968767146 is an apocalyptic number.

1968767146 is a deficient number, since it is larger than the sum of its proper divisors (984720374).

1968767146 is a wasteful number, since it uses less digits than its factorization.

1968767146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112268.

The product of its digits is 3048192, while the sum is 55.

The square root of 1968767146 is about 44370.7915863578. The cubic root of 1968767146 is about 1253.3281221647.

The spelling of 1968767146 in words is "one billion, nine hundred sixty-eight million, seven hundred sixty-seven thousand, one hundred forty-six".