1778306607196 has 12 divisors (see below), whose sum is σ = 3556613214448. Its totient is φ = 762131403072.

The previous prime is 1778306607193. The next prime is 1778306607197. The reversal of 1778306607196 is 6917066038771.

1778306607196 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1778306607193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31755475101 + ... + 31755475156.

Almost surely, 2^{1778306607196} is an apocalyptic number.

It is an amenable number.

1778306607196 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.

1778306607196 is a wasteful number, since it uses less digits than its factorization.

1778306607196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63510950268 (or 63510950266 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 1778306607196 in words is "one trillion, seven hundred seventy-eight billion, three hundred six million, six hundred seven thousand, one hundred ninety-six".