1968856098 has 48 divisors (see below), whose sum is σ = 4352432448. Its totient is φ = 593287200.

The previous prime is 1968856079. The next prime is 1968856117. The reversal of 1968856098 is 8906588691.

It is an interprime number because it is at equal distance from previous prime (1968856079) and next prime (1968856117).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123915 + ... + 138897.

It is an arithmetic number, because the mean of its divisors is an integer number (90675676).

Almost surely, 2^1968856098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1968856098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176216224).

1968856098 is an abundant number, since it is smaller than the sum of its proper divisors (2383576350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968856098 is a wasteful number, since it uses less digits than its factorization.

1968856098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15191 (or 15180 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The square root of 1968856098 is about 44371.7939461546. The cubic root of 1968856098 is about 1253.3469976599.

The spelling of 1968856098 in words is "one billion, nine hundred sixty-eight million, eight hundred fifty-six thousand, ninety-eight".