6692064378 has 8 divisors (see below), whose sum is σ = 13384128768. Its totient is φ = 2230688124.

The previous prime is 6692064371. The next prime is 6692064443. The reversal of 6692064378 is 8734602966.

It is a happy number.

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

6692064378 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6692064378.

It is not an unprimeable number, because it can be changed into a prime (6692064371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557672026 + ... + 557672037.

It is an arithmetic number, because the mean of its divisors is an integer number (1673016096).

Almost surely, 2^6692064378 is an apocalyptic number.

6692064378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6692064378 is a wasteful number, since it uses less digits than its factorization.

6692064378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115344068.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The square root of 6692064378 is about 81805.0388301356. The cubic root of 6692064378 is about 1884.4590452640.

The spelling of 6692064378 in words is "six billion, six hundred ninety-two million, sixty-four thousand, three hundred seventy-eight".