193471097856 has 176 divisors, whose sum is σ = 522446803200. Its totient is φ = 63648808960.

The previous prime is 193471097777. The next prime is 193471097861. The reversal of 193471097856 is 658790174391.

It is a self number, because there is not a number n which added to its sum of digits gives 193471097856.

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, 76439311 + ... + 76441841.

Almost surely, 2^193471097856 is an apocalyptic number.

193471097856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193471097856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261223401600).

193471097856 is an abundant number, since it is smaller than the sum of its proper divisors (328975705344).

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

193471097856 is a wasteful number, since it uses less digits than its factorization.

193471097856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 193471097856 in words is "one hundred ninety-three billion, four hundred seventy-one million, ninety-seven thousand, eight hundred fifty-six".