193061409172 has 12 divisors (see below), whose sum is σ = 337864803136. Its totient is φ = 96528608280.

The previous prime is 193061409169. The next prime is 193061409193. The reversal of 193061409172 is 271904160391.

It is a super-2 number, since 2×193061409172² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306858 + ... + 693025.

Almost surely, 2^193061409172 is an apocalyptic number.

It is an amenable number.

193061409172 is a deficient number, since it is larger than the sum of its proper divisors (144803393964).

193061409172 is a wasteful number, since it uses less digits than its factorization.

193061409172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048158 (or 1048156 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 193061409172 in words is "one hundred ninety-three billion, sixty-one million, four hundred nine thousand, one hundred seventy-two".