195190084667 has 4 divisors (see below), whose sum is σ = 195192627456. Its totient is φ = 195187541880.

The previous prime is 195190084643. The next prime is 195190084673. The reversal of 195190084667 is 766480091591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766480091591 = 233 ⋅3289614127.

It is a cyclic number.

It is not a de Polignac number, because 195190084667 - 2²² = 195185890363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195190083667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152548 + ... + 1311009.

It is an arithmetic number, because the mean of its divisors is an integer number (48798156864).

Almost surely, 2^195190084667 is an apocalyptic number.

195190084667 is a deficient number, since it is larger than the sum of its proper divisors (2542789).

195190084667 is an equidigital number, since it uses as much as digits as its factorization.

195190084667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542788.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 195190084667 in words is "one hundred ninety-five billion, one hundred ninety million, eighty-four thousand, six hundred sixty-seven".