193833196561 has 8 divisors (see below), whose sum is σ = 194946399648. Its totient is φ = 192722700000.

The previous prime is 193833196429. The next prime is 193833196567. The reversal of 193833196561 is 165691338391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193833196561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193833196567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532900 + ... + 819541.

It is an arithmetic number, because the mean of its divisors is an integer number (24368299956).

Almost surely, 2^193833196561 is an apocalyptic number.

It is an amenable number.

193833196561 is a deficient number, since it is larger than the sum of its proper divisors (1113203087).

193833196561 is a wasteful number, since it uses less digits than its factorization.

193833196561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353263.

The product of its digits is 3149280, while the sum is 55.

The spelling of 193833196561 in words is "one hundred ninety-three billion, eight hundred thirty-three million, one hundred ninety-six thousand, five hundred sixty-one".