189655555345 has 8 divisors (see below), whose sum is σ = 228220614720. Its totient is φ = 151301812080.

The previous prime is 189655555333. The next prime is 189655555351. The reversal of 189655555345 is 543555556981.

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

It is not a de Polignac number, because 189655555345 - 2³⁷ = 52216601873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52827051 + ... + 52830640.

It is an arithmetic number, because the mean of its divisors is an integer number (28527576840).

Almost surely, 2^189655555345 is an apocalyptic number.

It is an amenable number.

189655555345 is a deficient number, since it is larger than the sum of its proper divisors (38565059375).

189655555345 is a wasteful number, since it uses less digits than its factorization.

189655555345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105658055.

The product of its digits is 81000000, while the sum is 61.

The spelling of 189655555345 in words is "one hundred eighty-nine billion, six hundred fifty-five million, five hundred fifty-five thousand, three hundred forty-five".