1167989961546 has 96 divisors (see below), whose sum is σ = 2631531913920. Its totient is φ = 374082686208.

The previous prime is 1167989961539. The next prime is 1167989961617. The reversal of 1167989961546 is 6451699897611.

1167989961546 is a `hidden beast` number, since 1 + 1 + 6 + 79 + 8 + 9 + 9 + 6 + 1 + 546 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49007685 + ... + 49031511.

It is an arithmetic number, because the mean of its divisors is an integer number (27411790770).

Almost surely, 2^{1167989961546} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1167989961546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315765956960).

1167989961546 is an abundant number, since it is smaller than the sum of its proper divisors (1463541952374).

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

1167989961546 is a wasteful number, since it uses less digits than its factorization.

1167989961546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24788 (or 24785 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 72.

The spelling of 1167989961546 in words is "one trillion, one hundred sixty-seven billion, nine hundred eighty-nine million, nine hundred sixty-one thousand, five hundred forty-six".