56606194191 has 8 divisors (see below), whose sum is σ = 75476075184. Its totient is φ = 37736888000.

The previous prime is 56606194189. The next prime is 56606194207. The reversal of 56606194191 is 19149160665.

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

It is a cyclic number.

It is not a de Polignac number, because 56606194191 - 2¹ = 56606194189 is a prime.

It is a super-2 number, since 2×56606194191² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56606194191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56606194181) 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, 211555 + ... + 397451.

It is an arithmetic number, because the mean of its divisors is an integer number (9434509398).

Almost surely, 2^56606194191 is an apocalyptic number.

56606194191 is a deficient number, since it is larger than the sum of its proper divisors (18869880993).

56606194191 is a wasteful number, since it uses less digits than its factorization.

56606194191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287401.

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 56606194191 in words is "fifty-six billion, six hundred six million, one hundred ninety-four thousand, one hundred ninety-one".