3419640695666 has 32 divisors (see below), whose sum is σ = 5711653398528. Its totient is φ = 1525409976960.

The previous prime is 3419640695659. The next prime is 3419640695687. The reversal of 3419640695666 is 6665960469143.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14876210 + ... + 15104333.

It is an arithmetic number, because the mean of its divisors is an integer number (178489168704).

Almost surely, 2^{3419640695666} is an apocalyptic number.

3419640695666 is a deficient number, since it is larger than the sum of its proper divisors (2292012702862).

3419640695666 is a wasteful number, since it uses less digits than its factorization.

3419640695666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29980706.

The product of its (nonzero) digits is 151165440, while the sum is 65.

The spelling of 3419640695666 in words is "three trillion, four hundred nineteen billion, six hundred forty million, six hundred ninety-five thousand, six hundred sixty-six".