6416819688466 has 16 divisors (see below), whose sum is σ = 10723659984000. Its totient is φ = 2854678004080.

The previous prime is 6416819688457. The next prime is 6416819688481. The reversal of 6416819688466 is 6648869186146.

It is a happy 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, 3102909841 + ... + 3102911908.

It is an arithmetic number, because the mean of its divisors is an integer number (670228749000).

Almost surely, 2^{6416819688466} is an apocalyptic number.

6416819688466 is a deficient number, since it is larger than the sum of its proper divisors (4306840295534).

6416819688466 is a wasteful number, since it uses less digits than its factorization.

6416819688466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205821809.

The product of its digits is 573308928, while the sum is 73.

The spelling of 6416819688466 in words is "six trillion, four hundred sixteen billion, eight hundred nineteen million, six hundred eighty-eight thousand, four hundred sixty-six".