669011746195 has 8 divisors (see below), whose sum is σ = 864569025936. Its totient is φ = 494039443296.

The previous prime is 669011746187. The next prime is 669011746217. The reversal of 669011746195 is 591647110966.

669011746195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 669011746195 - 2³ = 669011746187 is a prime.

It is a Duffinian number.

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, 5146244137 + ... + 5146244266.

It is an arithmetic number, because the mean of its divisors is an integer number (108071128242).

Almost surely, 2^669011746195 is an apocalyptic number.

669011746195 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

669011746195 is a deficient number, since it is larger than the sum of its proper divisors (195557279741).

669011746195 is a wasteful number, since it uses less digits than its factorization.

669011746195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292488421.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 669011746195 in words is "six hundred sixty-nine billion, eleven million, seven hundred forty-six thousand, one hundred ninety-five".