193193673648 has 80 divisors (see below), whose sum is σ = 529244876160. Its totient is φ = 60517639168.

The previous prime is 193193673637. The next prime is 193193673667. The reversal of 193193673648 is 846376391391.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 193193673591 and 193193673600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358111 + ... + 717377.

It is an arithmetic number, because the mean of its divisors is an integer number (6615560952).

Almost surely, 2^193193673648 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 193193673648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264622438080).

193193673648 is an abundant number, since it is smaller than the sum of its proper divisors (336051202512).

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

193193673648 is a wasteful number, since it uses less digits than its factorization.

193193673648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359954 (or 359948 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 60.

The spelling of 193193673648 in words is "one hundred ninety-three billion, one hundred ninety-three million, six hundred seventy-three thousand, six hundred forty-eight".