1168442398520 has 32 divisors (see below), whose sum is σ = 2636571783600. Its totient is φ = 466030046208.

The previous prime is 1168442398507. The next prime is 1168442398573. The reversal of 1168442398520 is 258932448611.

It is a congruent 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, 42076985 + ... + 42104744.

Almost surely, 2^{1168442398520} is an apocalyptic number.

1168442398520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1168442398520 is an abundant number, since it is smaller than the sum of its proper divisors (1468129385080).

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

1168442398520 is a wasteful number, since it uses less digits than its factorization.

1168442398520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84182087 (or 84182083 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 1168442398520 in words is "one trillion, one hundred sixty-eight billion, four hundred forty-two million, three hundred ninety-eight thousand, five hundred twenty".