185105368447 has 8 divisors (see below), whose sum is σ = 195133052160. Its totient is φ = 175106214360.

The previous prime is 185105368423. The next prime is 185105368463. The reversal of 185105368447 is 744863501581.

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 185105368447 - 2³¹ = 182957884799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185105368394 and 185105368403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185105362447) 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, 7119079 + ... + 7145032.

It is an arithmetic number, because the mean of its divisors is an integer number (24391631520).

Almost surely, 2^185105368447 is an apocalyptic number.

185105368447 is a deficient number, since it is larger than the sum of its proper divisors (10027683713).

185105368447 is a wasteful number, since it uses less digits than its factorization.

185105368447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264813.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 185105368447 in words is "one hundred eighty-five billion, one hundred five million, three hundred sixty-eight thousand, four hundred forty-seven".