1167447611940 has 96 divisors (see below), whose sum is σ = 3331380648960. Its totient is φ = 305386993536.

The previous prime is 1167447611933. The next prime is 1167447611977. The reversal of 1167447611940 is 491167447611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1300089 + ... + 2006271.

It is an arithmetic number, because the mean of its divisors is an integer number (34701881760).

Almost surely, 2^{1167447611940} is an apocalyptic number.

1167447611940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1167447611940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665690324480).

1167447611940 is an abundant number, since it is smaller than the sum of its proper divisors (2163933037020).

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

1167447611940 is a wasteful number, since it uses less digits than its factorization.

1167447611940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706721 (or 706719 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 1167447611940 in words is "one trillion, one hundred sixty-seven billion, four hundred forty-seven million, six hundred eleven thousand, nine hundred forty".