1968788606 has 4 divisors (see below), whose sum is σ = 2953182912. Its totient is φ = 984394302.

The previous prime is 1968788599. The next prime is 1968788617. The reversal of 1968788606 is 6068878691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6068878691 = 29 ⋅209271679.

It is a super-3 number, since 3×1968788606³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492197150 + ... + 492197153.

It is an arithmetic number, because the mean of its divisors is an integer number (738295728).

Almost surely, 2^1968788606 is an apocalyptic number.

1968788606 is a deficient number, since it is larger than the sum of its proper divisors (984394306).

1968788606 is an equidigital number, since it uses as much as digits as its factorization.

1968788606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984394305.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The square root of 1968788606 is about 44371.0334114499. The cubic root of 1968788606 is about 1253.3326760000.

The spelling of 1968788606 in words is "one billion, nine hundred sixty-eight million, seven hundred eighty-eight thousand, six hundred six".