194106656293 has 8 divisors (see below), whose sum is σ = 215341745760. Its totient is φ = 173469738480.

The previous prime is 194106656231. The next prime is 194106656299. The reversal of 194106656293 is 392656601491.

It is a happy number.

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 194106656293 - 2²¹ = 194104559141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194106656293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194106656299) 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, 149542230 + ... + 149543527.

It is an arithmetic number, because the mean of its divisors is an integer number (26917718220).

Almost surely, 2^194106656293 is an apocalyptic number.

It is an amenable number.

194106656293 is a deficient number, since it is larger than the sum of its proper divisors (21235089467).

194106656293 is a wasteful number, since it uses less digits than its factorization.

194106656293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299085827.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 194106656293 in words is "one hundred ninety-four billion, one hundred six million, six hundred fifty-six thousand, two hundred ninety-three".