1968196548 has 72 divisors (see below), whose sum is σ = 4869728640. Its totient is φ = 618609600.

The previous prime is 1968196523. The next prime is 1968196553. The reversal of 1968196548 is 8456918691.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 1034398 + ... + 1036298.

It is an arithmetic number, because the mean of its divisors is an integer number (67635120).

Almost surely, 2^1968196548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1968196548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434864320).

1968196548 is an abundant number, since it is smaller than the sum of its proper divisors (2901532092).

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

1968196548 is a wasteful number, since it uses less digits than its factorization.

1968196548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2164 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 57.

The square root of 1968196548 is about 44364.3612373716. The cubic root of 1968196548 is about 1253.2070285112.

The spelling of 1968196548 in words is "one billion, nine hundred sixty-eight million, one hundred ninety-six thousand, five hundred forty-eight".