189655556441 has 8 divisors (see below), whose sum is σ = 204268944264. Its totient is φ = 175045668480.

The previous prime is 189655556393. The next prime is 189655556477. The reversal of 189655556441 is 144655556981.

It can be written as a sum of positive squares in 4 ways, for example, as 7344490000 + 182311066441 = 85700^2 + 426979^2 .

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 189655556441 - 2¹⁰ = 189655555417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189655516441) 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, 761870 + ... + 979671.

It is an arithmetic number, because the mean of its divisors is an integer number (25533618033).

Almost surely, 2^189655556441 is an apocalyptic number.

It is an amenable number.

189655556441 is a deficient number, since it is larger than the sum of its proper divisors (14613387823).

189655556441 is a wasteful number, since it uses less digits than its factorization.

189655556441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749931.

The product of its digits is 25920000, while the sum is 59.

The spelling of 189655556441 in words is "one hundred eighty-nine billion, six hundred fifty-five million, five hundred fifty-six thousand, four hundred forty-one".