190666516795 has 8 divisors (see below), whose sum is σ = 231065165520. Its totient is φ = 151022983200.

The previous prime is 190666516759. The next prime is 190666516801. The reversal of 190666516795 is 597615666091.

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

It is not a de Polignac number, because 190666516795 - 2²¹ = 190664419643 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, 188778225 + ... + 188779234.

It is an arithmetic number, because the mean of its divisors is an integer number (28883145690).

Almost surely, 2^190666516795 is an apocalyptic number.

190666516795 is a deficient number, since it is larger than the sum of its proper divisors (40398648725).

190666516795 is a wasteful number, since it uses less digits than its factorization.

190666516795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377557565.

The product of its (nonzero) digits is 18370800, while the sum is 61.

The spelling of 190666516795 in words is "one hundred ninety billion, six hundred sixty-six million, five hundred sixteen thousand, seven hundred ninety-five".