189468375577261 has 8 divisors (see below), whose sum is σ = 208079973180000. Its totient is φ = 171087977945040.

The previous prime is 189468375577253. The next prime is 189468375577301. The reversal of 189468375577261 is 162775573864981.

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 189468375577261 - 2³ = 189468375577253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189468375577231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57799990911 + ... + 57799994188.

It is an arithmetic number, because the mean of its divisors is an integer number (26009996647500).

Almost surely, 2^{189468375577261} is an apocalyptic number.

189468375577261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

189468375577261 is a deficient number, since it is larger than the sum of its proper divisors (18611597602739).

189468375577261 is a wasteful number, since it uses less digits than its factorization.

189468375577261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115599985259.

The product of its digits is 4267468800, while the sum is 79.

The spelling of 189468375577261 in words is "one hundred eighty-nine trillion, four hundred sixty-eight billion, three hundred seventy-five million, five hundred seventy-seven thousand, two hundred sixty-one".