6419497680178 has 16 divisors (see below), whose sum is σ = 10648531646496. Its totient is φ = 2877981524640.

The previous prime is 6419497680161. The next prime is 6419497680181. The reversal of 6419497680178 is 8710867949146.

It is a super-2 number, since 2×6419497680178² (a number of 26 digits) contains 22 as substring.

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, 1998596676 + ... + 1998599887.

It is an arithmetic number, because the mean of its divisors is an integer number (665533227906).

Almost surely, 2^{6419497680178} is an apocalyptic number.

6419497680178 is a deficient number, since it is larger than the sum of its proper divisors (4229033966318).

6419497680178 is a wasteful number, since it uses less digits than its factorization.

6419497680178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997196649.

The product of its (nonzero) digits is 146313216, while the sum is 70.

The spelling of 6419497680178 in words is "six trillion, four hundred nineteen billion, four hundred ninety-seven million, six hundred eighty thousand, one hundred seventy-eight".