1168997656500 has 96 divisors (see below), whose sum is σ = 3782356905600. Its totient is φ = 311732704800.

The previous prime is 1168997656487. The next prime is 1168997656511. The reversal of 1168997656500 is 56567998611.

1168997656500 is a `hidden beast` number, since 1 + 1 + 6 + 8 + 9 + 9 + 76 + 56 + 500 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43282710 + ... + 43309709.

It is an arithmetic number, because the mean of its divisors is an integer number (39399551100).

Almost surely, 2^{1168997656500} is an apocalyptic number.

1168997656500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1168997656500 is an abundant number, since it is smaller than the sum of its proper divisors (2613359249100).

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

1168997656500 is a wasteful number, since it uses less digits than its factorization.

1168997656500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86592447 (or 86592429 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 1168997656500 in words is "one trillion, one hundred sixty-eight billion, nine hundred ninety-seven million, six hundred fifty-six thousand, five hundred".